20381608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195977}}^1$

素因数の和:195996

約数の個数: 16

約数和(自身を含む): 41155380

約数和(自身を除く): 20773772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195977, 391954, 783908, 1567816, 2547701, 5095402, 10190804, 20381608]

約数ペア:

[(1, 20381608), (2, 10190804), (4, 5095402), (8, 2547701), (13, 1567816), (26, 783908), (52, 391954), (104, 195977)]