20202760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3217}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 45759960

約数和(自身を除く): 25557200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3217, 6280, 6434, 12868, 16085, 25736, 32170, 64340, 128680, 505069, 1010138, 2020276, 2525345, 4040552, 5050690, 10101380, 20202760]

約数ペア:

[(1, 20202760), (2, 10101380), (4, 5050690), (5, 4040552), (8, 2525345), (10, 2020276), (20, 1010138), (40, 505069), (157, 128680), (314, 64340), (628, 32170), (785, 25736), (1256, 16085), (1570, 12868), (3140, 6434), (3217, 6280)]