15906220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4253}}^1$

素因数の和:4290

約数の個数: 48

約数和(自身を含む): 38592288

約数和(自身を除く): 22686068

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4253, 8506, 17012, 21265, 42530, 46783, 72301, 85060, 93566, 144602, 187132, 233915, 289204, 361505, 467830, 723010, 795311, 935660, 1446020, 1590622, 3181244, 3976555, 7953110, 15906220]

約数ペア:

[(1, 15906220), (2, 7953110), (4, 3976555), (5, 3181244), (10, 1590622), (11, 1446020), (17, 935660), (20, 795311), (22, 723010), (34, 467830), (44, 361505), (55, 289204), (68, 233915), (85, 187132), (110, 144602), (170, 93566), (187, 85060), (220, 72301), (340, 46783), (374, 42530), (748, 21265), (935, 17012), (1870, 8506), (3740, 4253)]