20986604

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 17221636

約数列:

[1, 2, 4, 29, 58, 116, 227, 454, 797, 908, 1594, 3188, 6583, 13166, 23113, 26332, 46226, 92452, 180919, 361838, 723676, 5246651, 10493302, 20986604]

約数ペア:

[(1, 20986604), (2, 10493302), (4, 5246651), (29, 723676), (58, 361838), (116, 180919), (227, 92452), (454, 46226), (797, 26332), (908, 23113), (1594, 13166), (3188, 6583)]