20117390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{937}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 38495520

約数和(自身を除く): 18378130

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 937, 1130, 1874, 2147, 4294, 4685, 9370, 10735, 17803, 21470, 35606, 89015, 105881, 178030, 211762, 529405, 1058810, 2011739, 4023478, 10058695, 20117390]

約数ペア:

[(1, 20117390), (2, 10058695), (5, 4023478), (10, 2011739), (19, 1058810), (38, 529405), (95, 211762), (113, 178030), (190, 105881), (226, 89015), (565, 35606), (937, 21470), (1130, 17803), (1874, 10735), (2147, 9370), (4294, 4685)]