20367040

素因数分解:

$2^6\times 5^1\times {\mathrm{63647}}^1$

素因数の和:63664

約数の個数: 28

約数和(自身を含む): 48499776

約数和(自身を除く): 28132736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63647, 127294, 254588, 318235, 509176, 636470, 1018352, 1272940, 2036704, 2545880, 4073408, 5091760, 10183520, 20367040]

約数ペア:

[(1, 20367040), (2, 10183520), (4, 5091760), (5, 4073408), (8, 2545880), (10, 2036704), (16, 1272940), (20, 1018352), (32, 636470), (40, 509176), (64, 318235), (80, 254588), (160, 127294), (320, 63647)]