16615660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 20724692

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 881, 943, 1762, 1886, 3524, 3772, 4405, 4715, 8810, 9430, 17620, 18860, 20263, 36121, 40526, 72242, 81052, 101315, 144484, 180605, 202630, 361210, 405260, 722420, 830783, 1661566, 3323132, 4153915, 8307830, 16615660]

約数ペア:

[(1, 16615660), (2, 8307830), (4, 4153915), (5, 3323132), (10, 1661566), (20, 830783), (23, 722420), (41, 405260), (46, 361210), (82, 202630), (92, 180605), (115, 144484), (164, 101315), (205, 81052), (230, 72242), (410, 40526), (460, 36121), (820, 20263), (881, 18860), (943, 17620), (1762, 9430), (1886, 8810), (3524, 4715), (3772, 4405)]