20869212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41223588

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 659, 754, 812, 1092, 1131, 1218, 1318, 1508, 1977, 2262, 2436, 2636, 2639, 3954, 4524, 4613, 5278, 7908, 7917, 8567, 9226, 10556, 13839, 15834, 17134, 18452, 19111, 25701, 27678, 31668, 34268, 38222, 51402, 55356, 57333, 59969, 76444, 102804, 114666, 119938, 133777, 179907, 229332, 239876, 248443, 267554, 359814, 401331, 496886, 535108, 719628, 745329, 802662, 993772, 1490658, 1605324, 1739101, 2981316, 3478202, 5217303, 6956404, 10434606, 20869212]

約数ペア:

[(1, 20869212), (2, 10434606), (3, 6956404), (4, 5217303), (6, 3478202), (7, 2981316), (12, 1739101), (13, 1605324), (14, 1490658), (21, 993772), (26, 802662), (28, 745329), (29, 719628), (39, 535108), (42, 496886), (52, 401331), (58, 359814), (78, 267554), (84, 248443), (87, 239876), (91, 229332), (116, 179907), (156, 133777), (174, 119938), (182, 114666), (203, 102804), (273, 76444), (348, 59969), (364, 57333), (377, 55356), (406, 51402), (546, 38222), (609, 34268), (659, 31668), (754, 27678), (812, 25701), (1092, 19111), (1131, 18452), (1218, 17134), (1318, 15834), (1508, 13839), (1977, 10556), (2262, 9226), (2436, 8567), (2636, 7917), (2639, 7908), (3954, 5278), (4524, 4613)]