16900660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 24346700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1979, 2135, 3958, 4270, 7916, 8540, 9895, 13853, 19790, 27706, 39580, 55412, 69265, 120719, 138530, 241438, 277060, 482876, 603595, 845033, 1207190, 1690066, 2414380, 3380132, 4225165, 8450330, 16900660]

約数ペア:

[(1, 16900660), (2, 8450330), (4, 4225165), (5, 3380132), (7, 2414380), (10, 1690066), (14, 1207190), (20, 845033), (28, 603595), (35, 482876), (61, 277060), (70, 241438), (122, 138530), (140, 120719), (244, 69265), (305, 55412), (427, 39580), (610, 27706), (854, 19790), (1220, 13853), (1708, 9895), (1979, 8540), (2135, 7916), (3958, 4270)]