20113891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 4013597

約数列:

[1, 7, 23, 161, 271, 461, 1897, 3227, 6233, 10603, 43631, 74221, 124931, 874517, 2873413, 20113891]

約数ペア:

[(1, 20113891), (7, 2873413), (23, 874517), (161, 124931), (271, 74221), (461, 43631), (1897, 10603), (3227, 6233)]