20315170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 39272688

約数和(自身を除く): 18957518

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 1637, 2482, 3274, 6205, 8185, 12410, 16370, 27829, 55658, 119501, 139145, 239002, 278290, 597505, 1195010, 2031517, 4063034, 10157585, 20315170]

約数ペア:

[(1, 20315170), (2, 10157585), (5, 4063034), (10, 2031517), (17, 1195010), (34, 597505), (73, 278290), (85, 239002), (146, 139145), (170, 119501), (365, 55658), (730, 27829), (1241, 16370), (1637, 12410), (2482, 8185), (3274, 6205)]