15908420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 36747648

約数和(自身を除く): 20839228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 433, 668, 835, 866, 1670, 1732, 1837, 2165, 3340, 3674, 4330, 4763, 7348, 8660, 9185, 9526, 18370, 19052, 23815, 36740, 47630, 72311, 95260, 144622, 289244, 361555, 723110, 795421, 1446220, 1590842, 3181684, 3977105, 7954210, 15908420]

約数ペア:

[(1, 15908420), (2, 7954210), (4, 3977105), (5, 3181684), (10, 1590842), (11, 1446220), (20, 795421), (22, 723110), (44, 361555), (55, 289244), (110, 144622), (167, 95260), (220, 72311), (334, 47630), (433, 36740), (668, 23815), (835, 19052), (866, 18370), (1670, 9526), (1732, 9185), (1837, 8660), (2165, 7348), (3340, 4763), (3674, 4330)]