20228025

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 33658560

約数和(自身を除く): 13430535

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1559, 2595, 4325, 4677, 7795, 12975, 23385, 38975, 116925, 269707, 809121, 1348535, 4045605, 6742675, 20228025]

約数ペア:

[(1, 20228025), (3, 6742675), (5, 4045605), (15, 1348535), (25, 809121), (75, 269707), (173, 116925), (519, 38975), (865, 23385), (1559, 12975), (2595, 7795), (4325, 4677)]