20910225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39829}}^1$

素因数の和:39849

約数の個数: 24

約数和(自身を含む): 39511360

約数和(自身を除く): 18601135

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39829, 119487, 199145, 278803, 597435, 836409, 995725, 1394015, 2987175, 4182045, 6970075, 20910225]

約数ペア:

[(1, 20910225), (3, 6970075), (5, 4182045), (7, 2987175), (15, 1394015), (21, 995725), (25, 836409), (35, 597435), (75, 278803), (105, 199145), (175, 119487), (525, 39829)]