20194475

素因数分解:

$5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 28831488

約数和(自身を除く): 8637013

約数列:

[1, 5, 7, 25, 35, 167, 175, 691, 835, 1169, 3455, 4175, 4837, 5845, 17275, 24185, 29225, 115397, 120925, 576985, 807779, 2884925, 4038895, 20194475]

約数ペア:

[(1, 20194475), (5, 4038895), (7, 2884925), (25, 807779), (35, 576985), (167, 120925), (175, 115397), (691, 29225), (835, 24185), (1169, 17275), (3455, 5845), (4175, 4837)]