18081020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8951}}^1$

素因数の和:9061

約数の個数: 24

約数和(自身を含む): 38350368

約数和(自身を除く): 20269348

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 8951, 17902, 35804, 44755, 89510, 179020, 904051, 1808102, 3616204, 4520255, 9040510, 18081020]

約数ペア:

[(1, 18081020), (2, 9040510), (4, 4520255), (5, 3616204), (10, 1808102), (20, 904051), (101, 179020), (202, 89510), (404, 44755), (505, 35804), (1010, 17902), (2020, 8951)]