20933259

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 28563840

約数和(自身を除く): 7630581

約数列:

[1, 3, 59, 177, 227, 521, 681, 1563, 13393, 30739, 40179, 92217, 118267, 354801, 6977753, 20933259]

約数ペア:

[(1, 20933259), (3, 6977753), (59, 354801), (177, 118267), (227, 92217), (521, 40179), (681, 30739), (1563, 13393)]