20217504921

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1\times {\mathrm{194723}}^1$

素因数の和:195432

約数の個数: 16

約数和(自身を含む): 27507491136

約数和(自身を除く): 7289986215

約数列:

[1, 3, 53, 159, 653, 1959, 34609, 103827, 194723, 584169, 10320319, 30960957, 127154119, 381462357, 6739168307, 20217504921]

約数ペア:

[(1, 20217504921), (3, 6739168307), (53, 381462357), (159, 127154119), (653, 30960957), (1959, 10320319), (34609, 584169), (103827, 194723)]