20205122480

素因数分解:

$2^4\times 5^1\times {\mathrm{252564031}}^1$

素因数の和:252564044

約数の個数: 20

約数和(自身を含む): 46976909952

約数和(自身を除く): 26771787472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252564031, 505128062, 1010256124, 1262820155, 2020512248, 2525640310, 4041024496, 5051280620, 10102561240, 20205122480]

約数ペア:

[(1, 20205122480), (2, 10102561240), (4, 5051280620), (5, 4041024496), (8, 2525640310), (10, 2020512248), (16, 1262820155), (20, 1010256124), (40, 505128062), (80, 252564031)]