20652675

素因数分解:

$3^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 34276080

約数和(自身を除く): 13623405

約数列:

[1, 3, 5, 15, 25, 75, 509, 541, 1527, 1623, 2545, 2705, 7635, 8115, 12725, 13525, 38175, 40575, 275369, 826107, 1376845, 4130535, 6884225, 20652675]

約数ペア:

[(1, 20652675), (3, 6884225), (5, 4130535), (15, 1376845), (25, 826107), (75, 275369), (509, 40575), (541, 38175), (1527, 13525), (1623, 12725), (2545, 8115), (2705, 7635)]