20904472

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19919528

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 1049, 2098, 2491, 4196, 4982, 8392, 9964, 19928, 49303, 55597, 98606, 111194, 197212, 222388, 394424, 444776, 2613059, 5226118, 10452236, 20904472]

約数ペア:

[(1, 20904472), (2, 10452236), (4, 5226118), (8, 2613059), (47, 444776), (53, 394424), (94, 222388), (106, 197212), (188, 111194), (212, 98606), (376, 55597), (424, 49303), (1049, 19928), (2098, 9964), (2491, 8392), (4196, 4982)]