20874549

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1039}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 28770560

約数和(自身を除く): 7896011

約数列:

[1, 3, 37, 111, 181, 543, 1039, 3117, 6697, 20091, 38443, 115329, 188059, 564177, 6958183, 20874549]

約数ペア:

[(1, 20874549), (3, 6958183), (37, 564177), (111, 188059), (181, 115329), (543, 38443), (1039, 20091), (3117, 6697)]