20516616

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3607}}^1$

素因数の和:3698

約数の個数: 48

約数和(自身を含む): 56284800

約数和(自身を除く): 35768184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3607, 5688, 7214, 10821, 14428, 21642, 28856, 32463, 43284, 64926, 86568, 129852, 259704, 284953, 569906, 854859, 1139812, 1709718, 2279624, 2564577, 3419436, 5129154, 6838872, 10258308, 20516616]

約数ペア:

[(1, 20516616), (2, 10258308), (3, 6838872), (4, 5129154), (6, 3419436), (8, 2564577), (9, 2279624), (12, 1709718), (18, 1139812), (24, 854859), (36, 569906), (72, 284953), (79, 259704), (158, 129852), (237, 86568), (316, 64926), (474, 43284), (632, 32463), (711, 28856), (948, 21642), (1422, 14428), (1896, 10821), (2844, 7214), (3607, 5688)]