20515865981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1\times {\mathrm{45319}}^1$

素因数の和:45788

約数の個数: 16

約数和(自身を含む): 22384454400

約数和(自身を除く): 1868588419

約数列:

[1, 13, 97, 359, 1261, 4667, 34823, 45319, 452699, 589147, 4395943, 16269521, 57147259, 211503773, 1578143537, 20515865981]

約数ペア:

[(1, 20515865981), (13, 1578143537), (97, 211503773), (359, 57147259), (1261, 16269521), (4667, 4395943), (34823, 589147), (45319, 452699)]