20787048

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2803}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 56865120

約数和(自身を除く): 36078072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2803, 3708, 5606, 7416, 8409, 11212, 16818, 22424, 25227, 33636, 50454, 67272, 100908, 201816, 288709, 577418, 866127, 1154836, 1732254, 2309672, 2598381, 3464508, 5196762, 6929016, 10393524, 20787048]

約数ペア:

[(1, 20787048), (2, 10393524), (3, 6929016), (4, 5196762), (6, 3464508), (8, 2598381), (9, 2309672), (12, 1732254), (18, 1154836), (24, 866127), (36, 577418), (72, 288709), (103, 201816), (206, 100908), (309, 67272), (412, 50454), (618, 33636), (824, 25227), (927, 22424), (1236, 16818), (1854, 11212), (2472, 8409), (2803, 7416), (3708, 5606)]