20730621819

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{8669}}^1$

素因数の和:8955

約数の個数: 32

約数和(自身を含む): 28565222400

約数和(自身を除く): 7834600581

約数列:

[1, 3, 71, 103, 109, 213, 309, 327, 7313, 7739, 8669, 11227, 21939, 23217, 26007, 33681, 615499, 797117, 892907, 944921, 1846497, 2391351, 2678721, 2834763, 63396397, 67089391, 97326863, 190189191, 201268173, 291980589, 6910207273, 20730621819]

約数ペア:

[(1, 20730621819), (3, 6910207273), (71, 291980589), (103, 201268173), (109, 190189191), (213, 97326863), (309, 67089391), (327, 63396397), (7313, 2834763), (7739, 2678721), (8669, 2391351), (11227, 1846497), (21939, 944921), (23217, 892907), (26007, 797117), (33681, 615499)]