20822904

素因数分解:

$2^3\times 3^2\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 56833920

約数和(自身を除く): 36011016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 137, 274, 411, 548, 822, 1096, 1233, 1644, 2111, 2466, 3288, 4222, 4932, 6333, 8444, 9864, 12666, 16888, 18999, 25332, 37998, 50664, 75996, 151992, 289207, 578414, 867621, 1156828, 1735242, 2313656, 2602863, 3470484, 5205726, 6940968, 10411452, 20822904]

約数ペア:

[(1, 20822904), (2, 10411452), (3, 6940968), (4, 5205726), (6, 3470484), (8, 2602863), (9, 2313656), (12, 1735242), (18, 1156828), (24, 867621), (36, 578414), (72, 289207), (137, 151992), (274, 75996), (411, 50664), (548, 37998), (822, 25332), (1096, 18999), (1233, 16888), (1644, 12666), (2111, 9864), (2466, 8444), (3288, 6333), (4222, 4932)]