20375524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21113756

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 247, 494, 503, 533, 779, 988, 1006, 1066, 1558, 2012, 2132, 3116, 6539, 9557, 10127, 13078, 19114, 20254, 20623, 26156, 38228, 40508, 41246, 82492, 124241, 248482, 268099, 391837, 496964, 536198, 783674, 1072396, 1567348, 5093881, 10187762, 20375524]

約数ペア:

[(1, 20375524), (2, 10187762), (4, 5093881), (13, 1567348), (19, 1072396), (26, 783674), (38, 536198), (41, 496964), (52, 391837), (76, 268099), (82, 248482), (164, 124241), (247, 82492), (494, 41246), (503, 40508), (533, 38228), (779, 26156), (988, 20623), (1006, 20254), (1066, 19114), (1558, 13078), (2012, 10127), (2132, 9557), (3116, 6539)]