20642271

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{8971}}^1$

素因数の和:9046

約数の個数: 16

約数和(自身を含む): 30145920

約数和(自身を除く): 9503649

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 8971, 26913, 116623, 349869, 529289, 1587867, 6880757, 20642271]

約数ペア:

[(1, 20642271), (3, 6880757), (13, 1587867), (39, 529289), (59, 349869), (177, 116623), (767, 26913), (2301, 8971)]