20228403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1567}}^1$

素因数の和:1914

約数の個数: 16

約数和(自身を含む): 29152256

約数和(自身を除く): 8923853

約数列:

[1, 3, 13, 39, 331, 993, 1567, 4303, 4701, 12909, 20371, 61113, 518677, 1556031, 6742801, 20228403]

約数ペア:

[(1, 20228403), (3, 6742801), (13, 1556031), (39, 518677), (331, 61113), (993, 20371), (1567, 12909), (4303, 4701)]