20089240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 29366120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 953, 1054, 1240, 1906, 2108, 2635, 3812, 4216, 4765, 5270, 7624, 9530, 10540, 16201, 19060, 21080, 29543, 32402, 38120, 59086, 64804, 81005, 118172, 129608, 147715, 162010, 236344, 295430, 324020, 502231, 590860, 648040, 1004462, 1181720, 2008924, 2511155, 4017848, 5022310, 10044620, 20089240]

約数ペア:

[(1, 20089240), (2, 10044620), (4, 5022310), (5, 4017848), (8, 2511155), (10, 2008924), (17, 1181720), (20, 1004462), (31, 648040), (34, 590860), (40, 502231), (62, 324020), (68, 295430), (85, 236344), (124, 162010), (136, 147715), (155, 129608), (170, 118172), (248, 81005), (310, 64804), (340, 59086), (527, 38120), (620, 32402), (680, 29543), (953, 21080), (1054, 19060), (1240, 16201), (1906, 10540), (2108, 9530), (2635, 7624), (3812, 5270), (4216, 4765)]