20640692

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2917}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 37992360

約数和(自身を除く): 17351668

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 2917, 3538, 5834, 7076, 11668, 84593, 169186, 177937, 338372, 355874, 711748, 5160173, 10320346, 20640692]

約数ペア:

[(1, 20640692), (2, 10320346), (4, 5160173), (29, 711748), (58, 355874), (61, 338372), (116, 177937), (122, 169186), (244, 84593), (1769, 11668), (2917, 7076), (3538, 5834)]