20175823480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1747}}^1\times {\mathrm{6143}}^1$

素因数の和:7948

約数の個数: 64

約数和(自身を含む): 46395555840

約数和(自身を除く): 26219732360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1747, 1880, 3494, 6143, 6988, 8735, 12286, 13976, 17470, 24572, 30715, 34940, 49144, 61430, 69880, 82109, 122860, 164218, 245720, 288721, 328436, 410545, 577442, 656872, 821090, 1154884, 1443605, 1642180, 2309768, 2887210, 3284360, 5774420, 10731821, 11548840, 21463642, 42927284, 53659105, 85854568, 107318210, 214636420, 429272840, 504395587, 1008791174, 2017582348, 2521977935, 4035164696, 5043955870, 10087911740, 20175823480]

約数ペア:

[(1, 20175823480), (2, 10087911740), (4, 5043955870), (5, 4035164696), (8, 2521977935), (10, 2017582348), (20, 1008791174), (40, 504395587), (47, 429272840), (94, 214636420), (188, 107318210), (235, 85854568), (376, 53659105), (470, 42927284), (940, 21463642), (1747, 11548840), (1880, 10731821), (3494, 5774420), (6143, 3284360), (6988, 2887210), (8735, 2309768), (12286, 1642180), (13976, 1443605), (17470, 1154884), (24572, 821090), (30715, 656872), (34940, 577442), (49144, 410545), (61430, 328436), (69880, 288721), (82109, 245720), (122860, 164218)]