20171781686

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1451}}^1\times {\mathrm{3299}}^1$

素因数の和:4809

約数の個数: 48

約数和(自身を含む): 36051998400

約数和(自身を除く): 15880216714

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 1451, 2107, 2902, 3299, 4214, 6598, 10157, 20314, 23093, 46186, 62393, 71099, 124786, 141857, 142198, 161651, 283714, 323302, 436751, 873502, 992999, 1985998, 3057257, 4786849, 6114514, 6950993, 9573698, 13901986, 33507943, 67015886, 205834507, 234555601, 411669014, 469111202, 1440841549, 2881683098, 10085890843, 20171781686]

約数ペア:

[(1, 20171781686), (2, 10085890843), (7, 2881683098), (14, 1440841549), (43, 469111202), (49, 411669014), (86, 234555601), (98, 205834507), (301, 67015886), (602, 33507943), (1451, 13901986), (2107, 9573698), (2902, 6950993), (3299, 6114514), (4214, 4786849), (6598, 3057257), (10157, 1985998), (20314, 992999), (23093, 873502), (46186, 436751), (62393, 323302), (71099, 283714), (124786, 161651), (141857, 142198)]