20189774927

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{4517}}^1\times {\mathrm{4801}}^1$

素因数の和:9351

約数の個数: 24

約数和(自身を含む): 24732797040

約数和(自身を除く): 4543022113

約数列:

[1, 7, 19, 49, 133, 931, 4517, 4801, 31619, 33607, 85823, 91219, 221333, 235249, 600761, 638533, 4205327, 4469731, 21686117, 151802819, 412036223, 1062619733, 2884253561, 20189774927]

約数ペア:

[(1, 20189774927), (7, 2884253561), (19, 1062619733), (49, 412036223), (133, 151802819), (931, 21686117), (4517, 4469731), (4801, 4205327), (31619, 638533), (33607, 600761), (85823, 235249), (91219, 221333)]