20889468

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 54620160

約数和(自身を除く): 33730692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1523, 1524, 2286, 3046, 3429, 4569, 4572, 6092, 6858, 9138, 13707, 13716, 18276, 27414, 41121, 54828, 82242, 164484, 193421, 386842, 580263, 773684, 1160526, 1740789, 2321052, 3481578, 5222367, 6963156, 10444734, 20889468]

約数ペア:

[(1, 20889468), (2, 10444734), (3, 6963156), (4, 5222367), (6, 3481578), (9, 2321052), (12, 1740789), (18, 1160526), (27, 773684), (36, 580263), (54, 386842), (108, 193421), (127, 164484), (254, 82242), (381, 54828), (508, 41121), (762, 27414), (1143, 18276), (1523, 13716), (1524, 13707), (2286, 9138), (3046, 6858), (3429, 6092), (4569, 4572)]