15552020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 35900928

約数和(自身を除く): 20348908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 317, 446, 634, 892, 1115, 1268, 1585, 2230, 2453, 3170, 3487, 4460, 4906, 6340, 6974, 9812, 12265, 13948, 17435, 24530, 34870, 49060, 69740, 70691, 141382, 282764, 353455, 706910, 777601, 1413820, 1555202, 3110404, 3888005, 7776010, 15552020]

約数ペア:

[(1, 15552020), (2, 7776010), (4, 3888005), (5, 3110404), (10, 1555202), (11, 1413820), (20, 777601), (22, 706910), (44, 353455), (55, 282764), (110, 141382), (220, 70691), (223, 69740), (317, 49060), (446, 34870), (634, 24530), (892, 17435), (1115, 13948), (1268, 12265), (1585, 9812), (2230, 6974), (2453, 6340), (3170, 4906), (3487, 4460)]