20272920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 61158240

約数和(自身を除く): 40885320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 701, 723, 964, 1205, 1402, 1446, 1928, 2103, 2410, 2804, 2892, 3505, 3615, 4206, 4820, 5608, 5784, 7010, 7230, 8412, 9640, 10515, 14020, 14460, 16824, 21030, 28040, 28920, 42060, 84120, 168941, 337882, 506823, 675764, 844705, 1013646, 1351528, 1689410, 2027292, 2534115, 3378820, 4054584, 5068230, 6757640, 10136460, 20272920]

約数ペア:

[(1, 20272920), (2, 10136460), (3, 6757640), (4, 5068230), (5, 4054584), (6, 3378820), (8, 2534115), (10, 2027292), (12, 1689410), (15, 1351528), (20, 1013646), (24, 844705), (30, 675764), (40, 506823), (60, 337882), (120, 168941), (241, 84120), (482, 42060), (701, 28920), (723, 28040), (964, 21030), (1205, 16824), (1402, 14460), (1446, 14020), (1928, 10515), (2103, 9640), (2410, 8412), (2804, 7230), (2892, 7010), (3505, 5784), (3615, 5608), (4206, 4820)]