20924870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^2$

素因数の和:476

約数の個数: 24

約数和(自身を含む): 38649312

約数和(自身を除く): 17724442

約数列:

[1, 2, 5, 10, 47, 94, 211, 235, 422, 470, 1055, 2110, 9917, 19834, 44521, 49585, 89042, 99170, 222605, 445210, 2092487, 4184974, 10462435, 20924870]

約数ペア:

[(1, 20924870), (2, 10462435), (5, 4184974), (10, 2092487), (47, 445210), (94, 222605), (211, 99170), (235, 89042), (422, 49585), (470, 44521), (1055, 19834), (2110, 9917)]