20105484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 56383488

約数和(自身を除く): 36278004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1103, 1302, 1519, 2206, 2604, 3038, 3309, 4412, 4557, 6076, 6618, 7721, 9114, 13236, 15442, 18228, 23163, 30884, 34193, 46326, 54047, 68386, 92652, 102579, 108094, 136772, 162141, 205158, 216188, 239351, 324282, 410316, 478702, 648564, 718053, 957404, 1436106, 1675457, 2872212, 3350914, 5026371, 6701828, 10052742, 20105484]

約数ペア:

[(1, 20105484), (2, 10052742), (3, 6701828), (4, 5026371), (6, 3350914), (7, 2872212), (12, 1675457), (14, 1436106), (21, 957404), (28, 718053), (31, 648564), (42, 478702), (49, 410316), (62, 324282), (84, 239351), (93, 216188), (98, 205158), (124, 162141), (147, 136772), (186, 108094), (196, 102579), (217, 92652), (294, 68386), (372, 54047), (434, 46326), (588, 34193), (651, 30884), (868, 23163), (1103, 18228), (1302, 15442), (1519, 13236), (2206, 9114), (2604, 7721), (3038, 6618), (3309, 6076), (4412, 4557)]