20773740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26633}}^1$

素因数の和:26658

約数の個数: 48

約数和(自身を含む): 62643168

約数和(自身を除く): 41869428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26633, 53266, 79899, 106532, 133165, 159798, 266330, 319596, 346229, 399495, 532660, 692458, 798990, 1038687, 1384916, 1597980, 1731145, 2077374, 3462290, 4154748, 5193435, 6924580, 10386870, 20773740]

約数ペア:

[(1, 20773740), (2, 10386870), (3, 6924580), (4, 5193435), (5, 4154748), (6, 3462290), (10, 2077374), (12, 1731145), (13, 1597980), (15, 1384916), (20, 1038687), (26, 798990), (30, 692458), (39, 532660), (52, 399495), (60, 346229), (65, 319596), (78, 266330), (130, 159798), (156, 133165), (195, 106532), (260, 79899), (390, 53266), (780, 26633)]