20124131888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2927}}^1$

素因数の和:3139

約数の個数: 160

約数和(自身を含む): 49563684864

約数和(自身を除く): 29439552976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 157, 161, 184, 238, 272, 314, 322, 368, 391, 476, 628, 644, 782, 952, 1099, 1256, 1288, 1564, 1904, 2198, 2512, 2576, 2669, 2737, 2927, 3128, 3611, 4396, 5338, 5474, 5854, 6256, 7222, 8792, 10676, 10948, 11708, 14444, 17584, 18683, 20489, 21352, 21896, 23416, 25277, 28888, 37366, 40978, 42704, 43792, 46832, 49759, 50554, 57776, 61387, 67321, 74732, 81956, 99518, 101108, 122774, 134642, 149464, 163912, 199036, 202216, 245548, 269284, 298928, 327824, 348313, 398072, 404432, 429709, 459539, 471247, 491096, 538568, 696626, 796144, 859418, 919078, 942494, 982192, 1077136, 1144457, 1393252, 1718836, 1838156, 1884988, 2288914, 2786504, 3216773, 3437672, 3676312, 3769976, 4577828, 5573008, 6433546, 6875344, 7352624, 7539952, 7812163, 8011199, 9155656, 10569397, 12867092, 15624326, 16022398, 18311312, 21138794, 25734184, 31248652, 32044796, 42277588, 51468368, 54685141, 62497304, 64089592, 73985779, 84555176, 109370282, 124994608, 128179184, 147971558, 169110352, 179679749, 218740564, 295943116, 359359498, 437481128, 591886232, 718718996, 874962256, 1183772464, 1257758243, 1437437992, 2515516486, 2874875984, 5031032972, 10062065944, 20124131888]

約数ペア:

[(1, 20124131888), (2, 10062065944), (4, 5031032972), (7, 2874875984), (8, 2515516486), (14, 1437437992), (16, 1257758243), (17, 1183772464), (23, 874962256), (28, 718718996), (34, 591886232), (46, 437481128), (56, 359359498), (68, 295943116), (92, 218740564), (112, 179679749), (119, 169110352), (136, 147971558), (157, 128179184), (161, 124994608), (184, 109370282), (238, 84555176), (272, 73985779), (314, 64089592), (322, 62497304), (368, 54685141), (391, 51468368), (476, 42277588), (628, 32044796), (644, 31248652), (782, 25734184), (952, 21138794), (1099, 18311312), (1256, 16022398), (1288, 15624326), (1564, 12867092), (1904, 10569397), (2198, 9155656), (2512, 8011199), (2576, 7812163), (2669, 7539952), (2737, 7352624), (2927, 6875344), (3128, 6433546), (3611, 5573008), (4396, 4577828), (5338, 3769976), (5474, 3676312), (5854, 3437672), (6256, 3216773), (7222, 2786504), (8792, 2288914), (10676, 1884988), (10948, 1838156), (11708, 1718836), (14444, 1393252), (17584, 1144457), (18683, 1077136), (20489, 982192), (21352, 942494), (21896, 919078), (23416, 859418), (25277, 796144), (28888, 696626), (37366, 538568), (40978, 491096), (42704, 471247), (43792, 459539), (46832, 429709), (49759, 404432), (50554, 398072), (57776, 348313), (61387, 327824), (67321, 298928), (74732, 269284), (81956, 245548), (99518, 202216), (101108, 199036), (122774, 163912), (134642, 149464)]