20670502489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{5323}}^1$

素因数の和:5789

約数の個数: 32

約数和(自身を含む): 25711938560

約数和(自身を除く): 5041436071

約数列:

[1, 7, 13, 91, 139, 307, 973, 1807, 2149, 3991, 5323, 12649, 27937, 37261, 42673, 69199, 298711, 484393, 554749, 739897, 1634161, 3883243, 5179279, 9618661, 11439127, 21244093, 67330627, 148708651, 227148379, 1590038653, 2952928927, 20670502489]

約数ペア:

[(1, 20670502489), (7, 2952928927), (13, 1590038653), (91, 227148379), (139, 148708651), (307, 67330627), (973, 21244093), (1807, 11439127), (2149, 9618661), (3991, 5179279), (5323, 3883243), (12649, 1634161), (27937, 739897), (37261, 554749), (42673, 484393), (69199, 298711)]