20958729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33427}}^1$

素因数の和:33460

約数の個数: 16

約数和(自身を含む): 32090880

約数和(自身を除く): 11132151

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33427, 100281, 367697, 635113, 1103091, 1905339, 6986243, 20958729]

約数ペア:

[(1, 20958729), (3, 6986243), (11, 1905339), (19, 1103091), (33, 635113), (57, 367697), (209, 100281), (627, 33427)]