20213030

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8053}}^1$

素因数の和:8311

約数の個数: 16

約数和(自身を含む): 36532944

約数和(自身を除く): 16319914

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 8053, 16106, 40265, 80530, 2021303, 4042606, 10106515, 20213030]

約数ペア:

[(1, 20213030), (2, 10106515), (5, 4042606), (10, 2021303), (251, 80530), (502, 40265), (1255, 16106), (2510, 8053)]