20995725

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1033}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 34874752

約数和(自身を除く): 13879027

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 1033, 1355, 3099, 4065, 5165, 6775, 15495, 20325, 25825, 77475, 279943, 839829, 1399715, 4199145, 6998575, 20995725]

約数ペア:

[(1, 20995725), (3, 6998575), (5, 4199145), (15, 1399715), (25, 839829), (75, 279943), (271, 77475), (813, 25825), (1033, 20325), (1355, 15495), (3099, 6775), (4065, 5165)]