20002022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8629}}^1$

素因数の和:8711

約数の個数: 16

約数和(自身を含む): 32103600

約数和(自身を除く): 12101578

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8629, 17258, 163951, 327902, 526369, 1052738, 10001011, 20002022]

約数ペア:

[(1, 20002022), (2, 10001011), (19, 1052738), (38, 526369), (61, 327902), (122, 163951), (1159, 17258), (2318, 8629)]