20996030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 41516928

約数和(自身を除く): 20520898

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1171, 1630, 1793, 2342, 3586, 5855, 8965, 11710, 12881, 17930, 25762, 64405, 128810, 190873, 381746, 954365, 1908730, 2099603, 4199206, 10498015, 20996030]

約数ペア:

[(1, 20996030), (2, 10498015), (5, 4199206), (10, 2099603), (11, 1908730), (22, 954365), (55, 381746), (110, 190873), (163, 128810), (326, 64405), (815, 25762), (1171, 17930), (1630, 12881), (1793, 11710), (2342, 8965), (3586, 5855)]