20085920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2733

約数の個数: 48

約数和(自身を含む): 48480768

約数和(自身を除く): 28394848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2671, 3760, 5342, 7520, 10684, 13355, 21368, 26710, 42736, 53420, 85472, 106840, 125537, 213680, 251074, 427360, 502148, 627685, 1004296, 1255370, 2008592, 2510740, 4017184, 5021480, 10042960, 20085920]

約数ペア:

[(1, 20085920), (2, 10042960), (4, 5021480), (5, 4017184), (8, 2510740), (10, 2008592), (16, 1255370), (20, 1004296), (32, 627685), (40, 502148), (47, 427360), (80, 251074), (94, 213680), (160, 125537), (188, 106840), (235, 85472), (376, 53420), (470, 42736), (752, 26710), (940, 21368), (1504, 13355), (1880, 10684), (2671, 7520), (3760, 5342)]