20126421

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 14387499

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1283, 1743, 2241, 3849, 5229, 8981, 11547, 15687, 26943, 34641, 80829, 106489, 242487, 319467, 745423, 958401, 2236269, 2875203, 6708807, 20126421]

約数ペア:

[(1, 20126421), (3, 6708807), (7, 2875203), (9, 2236269), (21, 958401), (27, 745423), (63, 319467), (83, 242487), (189, 106489), (249, 80829), (581, 34641), (747, 26943), (1283, 15687), (1743, 11547), (2241, 8981), (3849, 5229)]