20217539

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 22978080

約数和(自身を除く): 2760541

約数列:

[1, 17, 19, 53, 323, 901, 1007, 1181, 17119, 20077, 22439, 62593, 381463, 1064081, 1189267, 20217539]

約数ペア:

[(1, 20217539), (17, 1189267), (19, 1064081), (53, 381463), (323, 62593), (901, 22439), (1007, 20077), (1181, 17119)]