20802079172

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{5443}}^1$

素因数の和:5546

約数の個数: 144

約数和(自身を含む): 47544150528

約数和(自身を除く): 26742071356

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 37, 49, 62, 68, 74, 98, 119, 124, 148, 196, 217, 238, 259, 434, 476, 518, 527, 629, 833, 868, 1036, 1054, 1147, 1258, 1519, 1666, 1813, 2108, 2294, 2516, 3038, 3332, 3626, 3689, 4403, 4588, 5443, 6076, 7252, 7378, 8029, 8806, 10886, 14756, 16058, 17612, 19499, 21772, 25823, 30821, 32116, 38101, 38998, 51646, 56203, 61642, 76202, 77996, 92531, 103292, 112406, 123284, 136493, 152404, 168733, 185062, 201391, 224812, 266707, 272986, 337466, 370124, 402782, 533414, 545972, 647717, 674932, 805564, 955451, 1066828, 1181131, 1295434, 1409737, 1910902, 2362262, 2590868, 2819474, 2868461, 3423647, 3821804, 4534019, 4724524, 5638948, 5736922, 6243121, 6847294, 8267917, 9068038, 9868159, 11473844, 12486242, 13694588, 16535834, 18136076, 19736318, 20079227, 23965529, 24972484, 33071668, 39472636, 40158454, 43701847, 47931058, 80316908, 87403694, 95862116, 106133057, 140554589, 167758703, 174807388, 212266114, 281109178, 305912929, 335517406, 424532228, 562218356, 611825858, 671034812, 742931399, 1223651716, 1485862798, 2971725596, 5200519793, 10401039586, 20802079172]

約数ペア:

[(1, 20802079172), (2, 10401039586), (4, 5200519793), (7, 2971725596), (14, 1485862798), (17, 1223651716), (28, 742931399), (31, 671034812), (34, 611825858), (37, 562218356), (49, 424532228), (62, 335517406), (68, 305912929), (74, 281109178), (98, 212266114), (119, 174807388), (124, 167758703), (148, 140554589), (196, 106133057), (217, 95862116), (238, 87403694), (259, 80316908), (434, 47931058), (476, 43701847), (518, 40158454), (527, 39472636), (629, 33071668), (833, 24972484), (868, 23965529), (1036, 20079227), (1054, 19736318), (1147, 18136076), (1258, 16535834), (1519, 13694588), (1666, 12486242), (1813, 11473844), (2108, 9868159), (2294, 9068038), (2516, 8267917), (3038, 6847294), (3332, 6243121), (3626, 5736922), (3689, 5638948), (4403, 4724524), (4588, 4534019), (5443, 3821804), (6076, 3423647), (7252, 2868461), (7378, 2819474), (8029, 2590868), (8806, 2362262), (10886, 1910902), (14756, 1409737), (16058, 1295434), (17612, 1181131), (19499, 1066828), (21772, 955451), (25823, 805564), (30821, 674932), (32116, 647717), (38101, 545972), (38998, 533414), (51646, 402782), (56203, 370124), (61642, 337466), (76202, 272986), (77996, 266707), (92531, 224812), (103292, 201391), (112406, 185062), (123284, 168733), (136493, 152404)]