20346080

素因数分解:

$2^5\times 5^1\times {\mathrm{127163}}^1$

素因数の和:127178

約数の個数: 24

約数和(自身を含む): 48067992

約数和(自身を除く): 27721912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127163, 254326, 508652, 635815, 1017304, 1271630, 2034608, 2543260, 4069216, 5086520, 10173040, 20346080]

約数ペア:

[(1, 20346080), (2, 10173040), (4, 5086520), (5, 4069216), (8, 2543260), (10, 2034608), (16, 1271630), (20, 1017304), (32, 635815), (40, 508652), (80, 254326), (160, 127163)]