20202520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38851}}^1$

素因数の和:38875

約数の個数: 32

約数和(自身を含む): 48953520

約数和(自身を除く): 28751000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38851, 77702, 155404, 194255, 310808, 388510, 505063, 777020, 1010126, 1554040, 2020252, 2525315, 4040504, 5050630, 10101260, 20202520]

約数ペア:

[(1, 20202520), (2, 10101260), (4, 5050630), (5, 4040504), (8, 2525315), (10, 2020252), (13, 1554040), (20, 1010126), (26, 777020), (40, 505063), (52, 388510), (65, 310808), (104, 194255), (130, 155404), (260, 77702), (520, 38851)]