20743047

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19724

約数の個数: 20

約数和(自身を含む): 33371800

約数和(自身を除く): 12628753

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19699, 59097, 177291, 256087, 531873, 768261, 1595619, 2304783, 6914349, 20743047]

約数ペア:

[(1, 20743047), (3, 6914349), (9, 2304783), (13, 1595619), (27, 768261), (39, 531873), (81, 256087), (117, 177291), (351, 59097), (1053, 19699)]