20541235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28729}}^1$

素因数の和:28758

約数の個数: 16

約数和(自身を含む): 28959840

約数和(自身を除く): 8418605

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28729, 143645, 316019, 373477, 1580095, 1867385, 4108247, 20541235]

約数ペア:

[(1, 20541235), (5, 4108247), (11, 1867385), (13, 1580095), (55, 373477), (65, 316019), (143, 143645), (715, 28729)]