20943184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 40

約数和(自身を含む): 44146728

約数和(自身を除く): 23203544

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2081, 2516, 4162, 5032, 8324, 10064, 16648, 33296, 35377, 70754, 76997, 141508, 153994, 283016, 307988, 566032, 615976, 1231952, 1308949, 2617898, 5235796, 10471592, 20943184]

約数ペア:

[(1, 20943184), (2, 10471592), (4, 5235796), (8, 2617898), (16, 1308949), (17, 1231952), (34, 615976), (37, 566032), (68, 307988), (74, 283016), (136, 153994), (148, 141508), (272, 76997), (296, 70754), (592, 35377), (629, 33296), (1258, 16648), (2081, 10064), (2516, 8324), (4162, 5032)]