20456426

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 24

約数和(自身を含む): 33535620

約数和(自身を除く): 13079194

約数列:

[1, 2, 19, 29, 38, 58, 361, 551, 722, 977, 1102, 1954, 10469, 18563, 20938, 28333, 37126, 56666, 352697, 538327, 705394, 1076654, 10228213, 20456426]

約数ペア:

[(1, 20456426), (2, 10228213), (19, 1076654), (29, 705394), (38, 538327), (58, 352697), (361, 56666), (551, 37126), (722, 28333), (977, 20938), (1102, 18563), (1954, 10469)]