20155017964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2083

約数の個数: 96

約数和(自身を含む): 39607444800

約数和(自身を除く): 19452426836

約数列:

[1, 2, 4, 17, 34, 41, 43, 68, 82, 86, 89, 164, 172, 178, 356, 697, 731, 1394, 1462, 1513, 1763, 1889, 2788, 2924, 3026, 3526, 3649, 3778, 3827, 6052, 7052, 7298, 7556, 7654, 14596, 15308, 29971, 32113, 59942, 62033, 64226, 65059, 77449, 81227, 119884, 124066, 128452, 130118, 154898, 156907, 162454, 168121, 248132, 260236, 309796, 313814, 324908, 336242, 627628, 672484, 1316633, 1380859, 2633266, 2667419, 2761718, 2858057, 3330307, 5266532, 5334838, 5523436, 5716114, 6660614, 6892961, 7229203, 10669676, 11432228, 13321228, 13785922, 14458406, 27571844, 28916812, 56615219, 113230438, 117180337, 122896451, 226460876, 234360674, 245792902, 296397323, 468721348, 491585804, 592794646, 1185589292, 5038754491, 10077508982, 20155017964]

約数ペア:

[(1, 20155017964), (2, 10077508982), (4, 5038754491), (17, 1185589292), (34, 592794646), (41, 491585804), (43, 468721348), (68, 296397323), (82, 245792902), (86, 234360674), (89, 226460876), (164, 122896451), (172, 117180337), (178, 113230438), (356, 56615219), (697, 28916812), (731, 27571844), (1394, 14458406), (1462, 13785922), (1513, 13321228), (1763, 11432228), (1889, 10669676), (2788, 7229203), (2924, 6892961), (3026, 6660614), (3526, 5716114), (3649, 5523436), (3778, 5334838), (3827, 5266532), (6052, 3330307), (7052, 2858057), (7298, 2761718), (7556, 2667419), (7654, 2633266), (14596, 1380859), (15308, 1316633), (29971, 672484), (32113, 627628), (59942, 336242), (62033, 324908), (64226, 313814), (65059, 309796), (77449, 260236), (81227, 248132), (119884, 168121), (124066, 162454), (128452, 156907), (130118, 154898)]