20448290

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 17533150

約数列:

[1, 2, 5, 10, 47, 94, 139, 235, 278, 313, 470, 626, 695, 1390, 1565, 3130, 6533, 13066, 14711, 29422, 32665, 43507, 65330, 73555, 87014, 147110, 217535, 435070, 2044829, 4089658, 10224145, 20448290]

約数ペア:

[(1, 20448290), (2, 10224145), (5, 4089658), (10, 2044829), (47, 435070), (94, 217535), (139, 147110), (235, 87014), (278, 73555), (313, 65330), (470, 43507), (626, 32665), (695, 29422), (1390, 14711), (1565, 13066), (3130, 6533)]