20378574

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1579}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 25125426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1579, 2151, 3158, 4302, 4737, 6453, 9474, 12906, 14211, 28422, 42633, 85266, 377381, 754762, 1132143, 2264286, 3396429, 6792858, 10189287, 20378574]

約数ペア:

[(1, 20378574), (2, 10189287), (3, 6792858), (6, 3396429), (9, 2264286), (18, 1132143), (27, 754762), (54, 377381), (239, 85266), (478, 42633), (717, 28422), (1434, 14211), (1579, 12906), (2151, 9474), (3158, 6453), (4302, 4737)]