20713020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4729}}^1$

素因数の和:4814

約数の個数: 48

約数和(自身を含む): 58803360

約数和(自身を除く): 38090340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4729, 9458, 14187, 18916, 23645, 28374, 47290, 56748, 70935, 94580, 141870, 283740, 345217, 690434, 1035651, 1380868, 1726085, 2071302, 3452170, 4142604, 5178255, 6904340, 10356510, 20713020]

約数ペア:

[(1, 20713020), (2, 10356510), (3, 6904340), (4, 5178255), (5, 4142604), (6, 3452170), (10, 2071302), (12, 1726085), (15, 1380868), (20, 1035651), (30, 690434), (60, 345217), (73, 283740), (146, 141870), (219, 94580), (292, 70935), (365, 56748), (438, 47290), (730, 28374), (876, 23645), (1095, 18916), (1460, 14187), (2190, 9458), (4380, 4729)]