20121458736

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 57765052800

約数和(自身を除く): 37643594064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 179, 184, 228, 233, 276, 304, 358, 368, 437, 456, 466, 529, 537, 552, 699, 716, 874, 912, 932, 1058, 1074, 1104, 1311, 1398, 1432, 1587, 1748, 1864, 2116, 2148, 2622, 2796, 2864, 3174, 3401, 3496, 3728, 4117, 4232, 4296, 4427, 5244, 5359, 5592, 6348, 6802, 6992, 8234, 8464, 8592, 8854, 10051, 10203, 10488, 10718, 11184, 12351, 12696, 13281, 13604, 16077, 16468, 17708, 20102, 20406, 20976, 21436, 24702, 25392, 26562, 27208, 30153, 32154, 32936, 35416, 40204, 40812, 41707, 42872, 49404, 53124, 54416, 60306, 64308, 65872, 70832, 78223, 80408, 81624, 83414, 85744, 94691, 98808, 101821, 106248, 120612, 123257, 125121, 128616, 156446, 160816, 163248, 166828, 189382, 197616, 203642, 212496, 234669, 241224, 246514, 250242, 257232, 284073, 305463, 312892, 333656, 369771, 378764, 407284, 469338, 482448, 493028, 500484, 568146, 610926, 625784, 667312, 739542, 757528, 792433, 814568, 938676, 959261, 986056, 1000968, 1136292, 1221852, 1251568, 1479084, 1515056, 1584866, 1629136, 1799129, 1877352, 1918522, 1972112, 2001936, 2272584, 2341883, 2377299, 2443704, 2877783, 2958168, 3169732, 3598258, 3754704, 3837044, 4545168, 4683766, 4754598, 4887408, 5397387, 5755566, 5916336, 6339464, 7025649, 7196516, 7674088, 9367532, 9509196, 10794774, 11511132, 12678928, 14051298, 14393032, 15348176, 18225959, 18735064, 19018392, 21589548, 22063003, 23022264, 28102596, 28786064, 36451918, 37470128, 38036784, 43179096, 44126006, 46044528, 54677877, 56205192, 66189009, 72903836, 86358192, 88252012, 109355754, 112410384, 132378018, 145807672, 176504024, 218711508, 264756036, 291615344, 353008048, 419197057, 437423016, 529512072, 838394114, 874846032, 1059024144, 1257591171, 1676788228, 2515182342, 3353576456, 5030364684, 6707152912, 10060729368, 20121458736]

約数ペア:

[(1, 20121458736), (2, 10060729368), (3, 6707152912), (4, 5030364684), (6, 3353576456), (8, 2515182342), (12, 1676788228), (16, 1257591171), (19, 1059024144), (23, 874846032), (24, 838394114), (38, 529512072), (46, 437423016), (48, 419197057), (57, 353008048), (69, 291615344), (76, 264756036), (92, 218711508), (114, 176504024), (138, 145807672), (152, 132378018), (179, 112410384), (184, 109355754), (228, 88252012), (233, 86358192), (276, 72903836), (304, 66189009), (358, 56205192), (368, 54677877), (437, 46044528), (456, 44126006), (466, 43179096), (529, 38036784), (537, 37470128), (552, 36451918), (699, 28786064), (716, 28102596), (874, 23022264), (912, 22063003), (932, 21589548), (1058, 19018392), (1074, 18735064), (1104, 18225959), (1311, 15348176), (1398, 14393032), (1432, 14051298), (1587, 12678928), (1748, 11511132), (1864, 10794774), (2116, 9509196), (2148, 9367532), (2622, 7674088), (2796, 7196516), (2864, 7025649), (3174, 6339464), (3401, 5916336), (3496, 5755566), (3728, 5397387), (4117, 4887408), (4232, 4754598), (4296, 4683766), (4427, 4545168), (5244, 3837044), (5359, 3754704), (5592, 3598258), (6348, 3169732), (6802, 2958168), (6992, 2877783), (8234, 2443704), (8464, 2377299), (8592, 2341883), (8854, 2272584), (10051, 2001936), (10203, 1972112), (10488, 1918522), (10718, 1877352), (11184, 1799129), (12351, 1629136), (12696, 1584866), (13281, 1515056), (13604, 1479084), (16077, 1251568), (16468, 1221852), (17708, 1136292), (20102, 1000968), (20406, 986056), (20976, 959261), (21436, 938676), (24702, 814568), (25392, 792433), (26562, 757528), (27208, 739542), (30153, 667312), (32154, 625784), (32936, 610926), (35416, 568146), (40204, 500484), (40812, 493028), (41707, 482448), (42872, 469338), (49404, 407284), (53124, 378764), (54416, 369771), (60306, 333656), (64308, 312892), (65872, 305463), (70832, 284073), (78223, 257232), (80408, 250242), (81624, 246514), (83414, 241224), (85744, 234669), (94691, 212496), (98808, 203642), (101821, 197616), (106248, 189382), (120612, 166828), (123257, 163248), (125121, 160816), (128616, 156446)]