20403209879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{929}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 22789166400

約数和(自身を除く): 2385956521

約数列:

[1, 13, 43, 101, 389, 559, 929, 1313, 4343, 5057, 12077, 16727, 39289, 39947, 56459, 93829, 217451, 361381, 510757, 519311, 1219777, 1689427, 4034647, 4697953, 15539383, 21962551, 36499481, 52450411, 202011979, 474493253, 1569477683, 20403209879]

約数ペア:

[(1, 20403209879), (13, 1569477683), (43, 474493253), (101, 202011979), (389, 52450411), (559, 36499481), (929, 21962551), (1313, 15539383), (4343, 4697953), (5057, 4034647), (12077, 1689427), (16727, 1219777), (39289, 519311), (39947, 510757), (56459, 361381), (93829, 217451)]