20154405957

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{241321}}^1$

素因数の和:241469

約数の個数: 32

約数和(自身を含む): 31785003264

約数和(自身を除く): 11630597307

約数列:

[1, 3, 7, 21, 41, 97, 123, 287, 291, 679, 861, 2037, 3977, 11931, 27839, 83517, 241321, 723963, 1689247, 5067741, 9894161, 23408137, 29682483, 69259127, 70224411, 163856959, 207777381, 491570877, 959733617, 2879200851, 6718135319, 20154405957]

約数ペア:

[(1, 20154405957), (3, 6718135319), (7, 2879200851), (21, 959733617), (41, 491570877), (97, 207777381), (123, 163856959), (287, 70224411), (291, 69259127), (679, 29682483), (861, 23408137), (2037, 9894161), (3977, 5067741), (11931, 1689247), (27839, 723963), (83517, 241321)]