20513070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 33063570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 317, 634, 719, 951, 1438, 1585, 1902, 2157, 2853, 3170, 3595, 4314, 4755, 5706, 6471, 7190, 9510, 10785, 12942, 14265, 21570, 28530, 32355, 64710, 227923, 455846, 683769, 1139615, 1367538, 2051307, 2279230, 3418845, 4102614, 6837690, 10256535, 20513070]

約数ペア:

[(1, 20513070), (2, 10256535), (3, 6837690), (5, 4102614), (6, 3418845), (9, 2279230), (10, 2051307), (15, 1367538), (18, 1139615), (30, 683769), (45, 455846), (90, 227923), (317, 64710), (634, 32355), (719, 28530), (951, 21570), (1438, 14265), (1585, 12942), (1902, 10785), (2157, 9510), (2853, 7190), (3170, 6471), (3595, 5706), (4314, 4755)]