20013609

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12377}}^1$

素因数の和:12405

約数の個数: 24

約数和(自身を含む): 33866208

約数和(自身を除く): 13852599

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12377, 37131, 86639, 136147, 259917, 408441, 606473, 953029, 1819419, 2859087, 6671203, 20013609]

約数ペア:

[(1, 20013609), (3, 6671203), (7, 2859087), (11, 1819419), (21, 953029), (33, 606473), (49, 408441), (77, 259917), (147, 136147), (231, 86639), (539, 37131), (1617, 12377)]