2020173141

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{645629}}^1$

素因数の和:645788

約数の個数: 16

約数和(自身を含む): 3099024000

約数和(自身を除く): 1078850859

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 645629, 1936887, 4519403, 13558209, 96198721, 288596163, 673391047, 2020173141]

約数ペア:

[(1, 2020173141), (3, 673391047), (7, 288596163), (21, 96198721), (149, 13558209), (447, 4519403), (1043, 1936887), (3129, 645629)]