20222839

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 5632361

約数列:

[1, 7, 13, 49, 53, 91, 371, 599, 637, 689, 2597, 4193, 4823, 7787, 29351, 31747, 33761, 54509, 222229, 381563, 412711, 1555603, 2888977, 20222839]

約数ペア:

[(1, 20222839), (7, 2888977), (13, 1555603), (49, 412711), (53, 381563), (91, 222229), (371, 54509), (599, 33761), (637, 31747), (689, 29351), (2597, 7787), (4193, 4823)]