20121247951

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1\times {\mathrm{41221}}^1$

素因数の和:41874

約数の個数: 16

約数和(自身を含む): 23209634880

約数和(自身を除く): 3088386929

約数列:

[1, 7, 137, 509, 959, 3563, 41221, 69733, 288547, 488131, 5647277, 20981489, 39530939, 146870423, 2874463993, 20121247951]

約数ペア:

[(1, 20121247951), (7, 2874463993), (137, 146870423), (509, 39530939), (959, 20981489), (3563, 5647277), (41221, 488131), (69733, 288547)]