20392956

素因数分解:

$2^2\times 3^2\times {\mathrm{467}}^1\times {\mathrm{1213}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 51701832

約数和(自身を除く): 31308876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 467, 934, 1213, 1401, 1868, 2426, 2802, 3639, 4203, 4852, 5604, 7278, 8406, 10917, 14556, 16812, 21834, 43668, 566471, 1132942, 1699413, 2265884, 3398826, 5098239, 6797652, 10196478, 20392956]

約数ペア:

[(1, 20392956), (2, 10196478), (3, 6797652), (4, 5098239), (6, 3398826), (9, 2265884), (12, 1699413), (18, 1132942), (36, 566471), (467, 43668), (934, 21834), (1213, 16812), (1401, 14556), (1868, 10917), (2426, 8406), (2802, 7278), (3639, 5604), (4203, 4852)]