20697764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9391}}^1$

素因数の和:9443

約数の個数: 24

約数和(自身を含む): 39446400

約数和(自身を除く): 18748636

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9391, 18782, 37564, 178429, 272339, 356858, 544678, 713716, 1089356, 5174441, 10348882, 20697764]

約数ペア:

[(1, 20697764), (2, 10348882), (4, 5174441), (19, 1089356), (29, 713716), (38, 544678), (58, 356858), (76, 272339), (116, 178429), (551, 37564), (1102, 18782), (2204, 9391)]