20512134965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25480913}}^1$

素因数の和:25480948

約数の個数: 16

約数和(自身を含む): 29354012928

約数和(自身を除く): 8841877963

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25480913, 127404565, 178366391, 586060999, 891831955, 2930304995, 4102426993, 20512134965]

約数ペア:

[(1, 20512134965), (5, 4102426993), (7, 2930304995), (23, 891831955), (35, 586060999), (115, 178366391), (161, 127404565), (805, 25480913)]