20290338

素因数分解:

$2^1\times 3^4\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:764

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 25447662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 251, 499, 502, 753, 998, 1497, 1506, 2259, 2994, 4491, 4518, 6777, 8982, 13473, 13554, 20331, 26946, 40419, 40662, 80838, 125249, 250498, 375747, 751494, 1127241, 2254482, 3381723, 6763446, 10145169, 20290338]

約数ペア:

[(1, 20290338), (2, 10145169), (3, 6763446), (6, 3381723), (9, 2254482), (18, 1127241), (27, 751494), (54, 375747), (81, 250498), (162, 125249), (251, 80838), (499, 40662), (502, 40419), (753, 26946), (998, 20331), (1497, 13554), (1506, 13473), (2259, 8982), (2994, 6777), (4491, 4518)]