20145986

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 37366272

約数和(自身を除く): 17220286

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1801, 3602, 5593, 11186, 12607, 25214, 30617, 61234, 84647, 169294, 214319, 428638, 592529, 1185058, 1438999, 2877998, 10072993, 20145986]

約数ペア:

[(1, 20145986), (2, 10072993), (7, 2877998), (14, 1438999), (17, 1185058), (34, 592529), (47, 428638), (94, 214319), (119, 169294), (238, 84647), (329, 61234), (658, 30617), (799, 25214), (1598, 12607), (1801, 11186), (3602, 5593)]