20991144

素因数分解:

$2^3\times 3^1\times {\mathrm{227}}^1\times {\mathrm{3853}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 52722720

約数和(自身を除く): 31731576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 227, 454, 681, 908, 1362, 1816, 2724, 3853, 5448, 7706, 11559, 15412, 23118, 30824, 46236, 92472, 874631, 1749262, 2623893, 3498524, 5247786, 6997048, 10495572, 20991144]

約数ペア:

[(1, 20991144), (2, 10495572), (3, 6997048), (4, 5247786), (6, 3498524), (8, 2623893), (12, 1749262), (24, 874631), (227, 92472), (454, 46236), (681, 30824), (908, 23118), (1362, 15412), (1816, 11559), (2724, 7706), (3853, 5448)]