20291590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6361}}^1$

素因数の和:6408

約数の個数: 32

約数和(自身を含む): 41225760

約数和(自身を除く): 20934170

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6361, 12722, 31805, 63610, 69971, 139942, 184469, 349855, 368938, 699710, 922345, 1844690, 2029159, 4058318, 10145795, 20291590]

約数ペア:

[(1, 20291590), (2, 10145795), (5, 4058318), (10, 2029159), (11, 1844690), (22, 922345), (29, 699710), (55, 368938), (58, 349855), (110, 184469), (145, 139942), (290, 69971), (319, 63610), (638, 31805), (1595, 12722), (3190, 6361)]