20136978

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1451}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 44953920

約数和(自身を除く): 24816942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1451, 1542, 2313, 2902, 4353, 4626, 6939, 8706, 13059, 13878, 26118, 39177, 78354, 372907, 745814, 1118721, 2237442, 3356163, 6712326, 10068489, 20136978]

約数ペア:

[(1, 20136978), (2, 10068489), (3, 6712326), (6, 3356163), (9, 2237442), (18, 1118721), (27, 745814), (54, 372907), (257, 78354), (514, 39177), (771, 26118), (1451, 13878), (1542, 13059), (2313, 8706), (2902, 6939), (4353, 4626)]