20398716

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 59764320

約数和(自身を除く): 39365604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 167, 174, 234, 261, 324, 334, 348, 351, 377, 468, 501, 522, 668, 702, 754, 783, 1002, 1044, 1053, 1131, 1404, 1503, 1508, 1566, 2004, 2106, 2171, 2262, 2349, 3006, 3132, 3393, 4212, 4342, 4509, 4524, 4698, 4843, 6012, 6513, 6786, 8684, 9018, 9396, 9686, 10179, 13026, 13527, 13572, 14529, 18036, 19372, 19539, 20358, 26052, 27054, 29058, 30537, 39078, 40716, 43587, 54108, 58116, 58617, 61074, 62959, 78156, 87174, 117234, 122148, 125918, 130761, 174348, 175851, 188877, 234468, 251836, 261522, 351702, 377754, 392283, 523044, 566631, 703404, 755508, 784566, 1133262, 1569132, 1699893, 2266524, 3399786, 5099679, 6799572, 10199358, 20398716]

約数ペア:

[(1, 20398716), (2, 10199358), (3, 6799572), (4, 5099679), (6, 3399786), (9, 2266524), (12, 1699893), (13, 1569132), (18, 1133262), (26, 784566), (27, 755508), (29, 703404), (36, 566631), (39, 523044), (52, 392283), (54, 377754), (58, 351702), (78, 261522), (81, 251836), (87, 234468), (108, 188877), (116, 175851), (117, 174348), (156, 130761), (162, 125918), (167, 122148), (174, 117234), (234, 87174), (261, 78156), (324, 62959), (334, 61074), (348, 58617), (351, 58116), (377, 54108), (468, 43587), (501, 40716), (522, 39078), (668, 30537), (702, 29058), (754, 27054), (783, 26052), (1002, 20358), (1044, 19539), (1053, 19372), (1131, 18036), (1404, 14529), (1503, 13572), (1508, 13527), (1566, 13026), (2004, 10179), (2106, 9686), (2171, 9396), (2262, 9018), (2349, 8684), (3006, 6786), (3132, 6513), (3393, 6012), (4212, 4843), (4342, 4698), (4509, 4524)]