20321232

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2339}}^1$

素因数の和:2531

約数の個数: 40

約数和(自身を含む): 52809120

約数和(自身を除く): 32487888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2339, 2896, 4344, 4678, 7017, 8688, 9356, 14034, 18712, 28068, 37424, 56136, 112272, 423359, 846718, 1270077, 1693436, 2540154, 3386872, 5080308, 6773744, 10160616, 20321232]

約数ペア:

[(1, 20321232), (2, 10160616), (3, 6773744), (4, 5080308), (6, 3386872), (8, 2540154), (12, 1693436), (16, 1270077), (24, 846718), (48, 423359), (181, 112272), (362, 56136), (543, 37424), (724, 28068), (1086, 18712), (1448, 14034), (2172, 9356), (2339, 8688), (2896, 7017), (4344, 4678)]