20126613

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 29718304

約数和(自身を除く): 9591691

約数列:

[1, 3, 13, 39, 41, 123, 307, 533, 921, 1599, 1681, 3991, 5043, 11973, 12587, 21853, 37761, 65559, 163631, 490893, 516067, 1548201, 6708871, 20126613]

約数ペア:

[(1, 20126613), (3, 6708871), (13, 1548201), (39, 516067), (41, 490893), (123, 163631), (307, 65559), (533, 37761), (921, 21853), (1599, 12587), (1681, 11973), (3991, 5043)]