20900344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{677}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 41737680

約数和(自身を除く): 20837336

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 227, 454, 677, 908, 1354, 1816, 2708, 3859, 5416, 7718, 11509, 15436, 23018, 30872, 46036, 92072, 153679, 307358, 614716, 1229432, 2612543, 5225086, 10450172, 20900344]

約数ペア:

[(1, 20900344), (2, 10450172), (4, 5225086), (8, 2612543), (17, 1229432), (34, 614716), (68, 307358), (136, 153679), (227, 92072), (454, 46036), (677, 30872), (908, 23018), (1354, 15436), (1816, 11509), (2708, 7718), (3859, 5416)]