20010225

素因数分解:

$3^1\times 5^2\times {\mathrm{479}}^1\times {\mathrm{557}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 33212160

約数和(自身を除く): 13201935

約数列:

[1, 3, 5, 15, 25, 75, 479, 557, 1437, 1671, 2395, 2785, 7185, 8355, 11975, 13925, 35925, 41775, 266803, 800409, 1334015, 4002045, 6670075, 20010225]

約数ペア:

[(1, 20010225), (3, 6670075), (5, 4002045), (15, 1334015), (25, 800409), (75, 266803), (479, 41775), (557, 35925), (1437, 13925), (1671, 11975), (2395, 8355), (2785, 7185)]