20001460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 23665100

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 179, 185, 302, 358, 370, 604, 716, 740, 755, 895, 1510, 1790, 3020, 3580, 5587, 6623, 11174, 13246, 22348, 26492, 27029, 27935, 33115, 54058, 55870, 66230, 108116, 111740, 132460, 135145, 270290, 540580, 1000073, 2000146, 4000292, 5000365, 10000730, 20001460]

約数ペア:

[(1, 20001460), (2, 10000730), (4, 5000365), (5, 4000292), (10, 2000146), (20, 1000073), (37, 540580), (74, 270290), (148, 135145), (151, 132460), (179, 111740), (185, 108116), (302, 66230), (358, 55870), (370, 54058), (604, 33115), (716, 27935), (740, 27029), (755, 26492), (895, 22348), (1510, 13246), (1790, 11174), (3020, 6623), (3580, 5587)]