20201490040

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1406789}}^1$

素因数の和:1407159

約数の個数: 32

約数和(自身を含む): 45579996000

約数和(自身を除く): 25378505960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 14360, 1406789, 2813578, 5627156, 7033945, 11254312, 14067890, 28135780, 56271560, 505037251, 1010074502, 2020149004, 2525186255, 4040298008, 5050372510, 10100745020, 20201490040]

約数ペア:

[(1, 20201490040), (2, 10100745020), (4, 5050372510), (5, 4040298008), (8, 2525186255), (10, 2020149004), (20, 1010074502), (40, 505037251), (359, 56271560), (718, 28135780), (1436, 14067890), (1795, 11254312), (2872, 7033945), (3590, 5627156), (7180, 2813578), (14360, 1406789)]