20355406

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{577}}^1$

素因数の和:1179

約数の個数: 16

約数和(自身を含む): 31628160

約数和(自身を除く): 11272754

約数列:

[1, 2, 31, 62, 569, 577, 1138, 1154, 17639, 17887, 35278, 35774, 328313, 656626, 10177703, 20355406]

約数ペア:

[(1, 20355406), (2, 10177703), (31, 656626), (62, 328313), (569, 35774), (577, 35278), (1138, 17887), (1154, 17639)]