20216826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 50326848

約数和(自身を除く): 30110022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 281, 562, 571, 843, 1142, 1686, 1713, 1967, 2529, 3426, 3934, 3997, 5058, 5139, 5901, 7994, 10278, 11802, 11991, 17703, 23982, 35406, 35973, 71946, 160451, 320902, 481353, 962706, 1123157, 1444059, 2246314, 2888118, 3369471, 6738942, 10108413, 20216826]

約数ペア:

[(1, 20216826), (2, 10108413), (3, 6738942), (6, 3369471), (7, 2888118), (9, 2246314), (14, 1444059), (18, 1123157), (21, 962706), (42, 481353), (63, 320902), (126, 160451), (281, 71946), (562, 35973), (571, 35406), (843, 23982), (1142, 17703), (1686, 11991), (1713, 11802), (1967, 10278), (2529, 7994), (3426, 5901), (3934, 5139), (3997, 5058)]