20204457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5693}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 33344064

約数和(自身を除く): 13139607

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5693, 17079, 39851, 74009, 119553, 222027, 518063, 962117, 1554189, 2886351, 6734819, 20204457]

約数ペア:

[(1, 20204457), (3, 6734819), (7, 2886351), (13, 1554189), (21, 962117), (39, 518063), (91, 222027), (169, 119553), (273, 74009), (507, 39851), (1183, 17079), (3549, 5693)]