20131529720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{423287}}^1$

素因数の和:423368

約数の個数: 64

約数和(自身を含む): 48000859200

約数和(自身を除く): 27869329480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 423287, 846574, 1693148, 2116435, 3386296, 4232870, 8465740, 12275323, 16931480, 17354767, 24550646, 34709534, 49101292, 61376615, 69419068, 86773835, 98202584, 122753230, 138838136, 173547670, 245506460, 347095340, 491012920, 503288243, 694190680, 1006576486, 2013152972, 2516441215, 4026305944, 5032882430, 10065764860, 20131529720]

約数ペア:

[(1, 20131529720), (2, 10065764860), (4, 5032882430), (5, 4026305944), (8, 2516441215), (10, 2013152972), (20, 1006576486), (29, 694190680), (40, 503288243), (41, 491012920), (58, 347095340), (82, 245506460), (116, 173547670), (145, 138838136), (164, 122753230), (205, 98202584), (232, 86773835), (290, 69419068), (328, 61376615), (410, 49101292), (580, 34709534), (820, 24550646), (1160, 17354767), (1189, 16931480), (1640, 12275323), (2378, 8465740), (4756, 4232870), (5945, 3386296), (9512, 2116435), (11890, 1693148), (23780, 846574), (47560, 423287)]