20057025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15731}}^1$

素因数の和:15761

約数の個数: 24

約数和(自身を含む): 35113824

約数和(自身を除く): 15056799

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15731, 47193, 78655, 235965, 267427, 393275, 802281, 1179825, 1337135, 4011405, 6685675, 20057025]

約数ペア:

[(1, 20057025), (3, 6685675), (5, 4011405), (15, 1337135), (17, 1179825), (25, 802281), (51, 393275), (75, 267427), (85, 235965), (255, 78655), (425, 47193), (1275, 15731)]