20101330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 37997568

約数和(自身を除く): 17896238

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1063, 1891, 2126, 3782, 5315, 9455, 10630, 18910, 32953, 64843, 65906, 129686, 164765, 324215, 329530, 648430, 2010133, 4020266, 10050665, 20101330]

約数ペア:

[(1, 20101330), (2, 10050665), (5, 4020266), (10, 2010133), (31, 648430), (61, 329530), (62, 324215), (122, 164765), (155, 129686), (305, 65906), (310, 64843), (610, 32953), (1063, 18910), (1891, 10630), (2126, 9455), (3782, 5315)]