20377740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1523}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 57351168

約数和(自身を除く): 36973428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1523, 2230, 2676, 3046, 3345, 4460, 4569, 6092, 6690, 7615, 9138, 13380, 15230, 18276, 22845, 30460, 45690, 91380, 339629, 679258, 1018887, 1358516, 1698145, 2037774, 3396290, 4075548, 5094435, 6792580, 10188870, 20377740]

約数ペア:

[(1, 20377740), (2, 10188870), (3, 6792580), (4, 5094435), (5, 4075548), (6, 3396290), (10, 2037774), (12, 1698145), (15, 1358516), (20, 1018887), (30, 679258), (60, 339629), (223, 91380), (446, 45690), (669, 30460), (892, 22845), (1115, 18276), (1338, 15230), (1523, 13380), (2230, 9138), (2676, 7615), (3046, 6690), (3345, 6092), (4460, 4569)]