20137356785

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{903223}}^1$

素因数の和:903262

約数の個数: 32

約数和(自身を含む): 30348326400

約数和(自身を除く): 10210969615

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1715, 3185, 4459, 22295, 903223, 4516115, 6322561, 11741899, 31612805, 44257927, 58709495, 82193293, 221289635, 309805489, 410966465, 575353051, 1549027445, 2876765255, 4027471357, 20137356785]

約数ペア:

[(1, 20137356785), (5, 4027471357), (7, 2876765255), (13, 1549027445), (35, 575353051), (49, 410966465), (65, 309805489), (91, 221289635), (245, 82193293), (343, 58709495), (455, 44257927), (637, 31612805), (1715, 11741899), (3185, 6322561), (4459, 4516115), (22295, 903223)]