20890928

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3637}}^1$

素因数の和:4004

約数の個数: 20

約数和(自身を含む): 40600080

約数和(自身を除く): 19709152

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3637, 5744, 7274, 14548, 29096, 58192, 1305683, 2611366, 5222732, 10445464, 20890928]

約数ペア:

[(1, 20890928), (2, 10445464), (4, 5222732), (8, 2611366), (16, 1305683), (359, 58192), (718, 29096), (1436, 14548), (2872, 7274), (3637, 5744)]