20802200

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 49416480

約数和(自身を除く): 28614280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2213, 2350, 4426, 4700, 8852, 9400, 11065, 17704, 22130, 44260, 55325, 88520, 104011, 110650, 208022, 221300, 416044, 442600, 520055, 832088, 1040110, 2080220, 2600275, 4160440, 5200550, 10401100, 20802200]

約数ペア:

[(1, 20802200), (2, 10401100), (4, 5200550), (5, 4160440), (8, 2600275), (10, 2080220), (20, 1040110), (25, 832088), (40, 520055), (47, 442600), (50, 416044), (94, 221300), (100, 208022), (188, 110650), (200, 104011), (235, 88520), (376, 55325), (470, 44260), (940, 22130), (1175, 17704), (1880, 11065), (2213, 9400), (2350, 8852), (4426, 4700)]