20721558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24151}}^1$

素因数の和:24180

約数の個数: 32

約数和(自身を含む): 48690432

約数和(自身を除く): 27968874

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24151, 48302, 72453, 144906, 265661, 313963, 531322, 627926, 796983, 941889, 1593966, 1883778, 3453593, 6907186, 10360779, 20721558]

約数ペア:

[(1, 20721558), (2, 10360779), (3, 6907186), (6, 3453593), (11, 1883778), (13, 1593966), (22, 941889), (26, 796983), (33, 627926), (39, 531322), (66, 313963), (78, 265661), (143, 144906), (286, 72453), (429, 48302), (858, 24151)]