20709870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4397}}^1$

素因数の和:4564

約数の個数: 32

約数和(自身を含む): 50031648

約数和(自身を除く): 29321778

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4397, 4710, 8794, 13191, 21985, 26382, 43970, 65955, 131910, 690329, 1380658, 2070987, 3451645, 4141974, 6903290, 10354935, 20709870]

約数ペア:

[(1, 20709870), (2, 10354935), (3, 6903290), (5, 4141974), (6, 3451645), (10, 2070987), (15, 1380658), (30, 690329), (157, 131910), (314, 65955), (471, 43970), (785, 26382), (942, 21985), (1570, 13191), (2355, 8794), (4397, 4710)]