20705613

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3323}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 28932096

約数和(自身を除く): 8226483

約数列:

[1, 3, 31, 67, 93, 201, 2077, 3323, 6231, 9969, 103013, 222641, 309039, 667923, 6901871, 20705613]

約数ペア:

[(1, 20705613), (3, 6901871), (31, 667923), (67, 309039), (93, 222641), (201, 103013), (2077, 9969), (3323, 6231)]