20388858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{827}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 46738944

約数和(自身を除く): 26350086

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 587, 827, 1174, 1654, 1761, 2481, 3522, 4109, 4962, 5789, 8218, 11578, 12327, 17367, 24654, 34734, 485449, 970898, 1456347, 2912694, 3398143, 6796286, 10194429, 20388858]

約数ペア:

[(1, 20388858), (2, 10194429), (3, 6796286), (6, 3398143), (7, 2912694), (14, 1456347), (21, 970898), (42, 485449), (587, 34734), (827, 24654), (1174, 17367), (1654, 12327), (1761, 11578), (2481, 8218), (3522, 5789), (4109, 4962)]