20484927208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{546323}}^1$

素因数の和:546481

約数の個数: 32

約数和(自身を含む): 39663122400

約数和(自身を除く): 19178195192

約数列:

[1, 2, 4, 8, 43, 86, 109, 172, 218, 344, 436, 872, 4687, 9374, 18748, 37496, 546323, 1092646, 2185292, 4370584, 23491889, 46983778, 59549207, 93967556, 119098414, 187935112, 238196828, 476393656, 2560615901, 5121231802, 10242463604, 20484927208]

約数ペア:

[(1, 20484927208), (2, 10242463604), (4, 5121231802), (8, 2560615901), (43, 476393656), (86, 238196828), (109, 187935112), (172, 119098414), (218, 93967556), (344, 59549207), (436, 46983778), (872, 23491889), (4687, 4370584), (9374, 2185292), (18748, 1092646), (37496, 546323)]