20303475

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1283}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 33753792

約数和(自身を除く): 13450317

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1283, 3165, 3849, 5275, 6415, 15825, 19245, 32075, 96225, 270713, 812139, 1353565, 4060695, 6767825, 20303475]

約数ペア:

[(1, 20303475), (3, 6767825), (5, 4060695), (15, 1353565), (25, 812139), (75, 270713), (211, 96225), (633, 32075), (1055, 19245), (1283, 15825), (3165, 6415), (3849, 5275)]