20163871405

素因数分解:

$5^1\times {\mathrm{389}}^1\times {\mathrm{1571}}^1\times {\mathrm{6599}}^1$

素因数の和:8564

約数の個数: 16

約数和(自身を含む): 24277968000

約数和(自身を除く): 4114096595

約数列:

[1, 5, 389, 1571, 1945, 6599, 7855, 32995, 611119, 2567011, 3055595, 10367029, 12835055, 51835145, 4032774281, 20163871405]

約数ペア:

[(1, 20163871405), (5, 4032774281), (389, 51835145), (1571, 12835055), (1945, 10367029), (6599, 3055595), (7855, 2567011), (32995, 611119)]