20145123908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55343747}}^1$

素因数の和:55343771

約数の個数: 24

約数和(自身を含む): 43389498432

約数和(自身を除く): 23244374524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55343747, 110687494, 221374988, 387406229, 719468711, 774812458, 1438937422, 1549624916, 2877874844, 5036280977, 10072561954, 20145123908]

約数ペア:

[(1, 20145123908), (2, 10072561954), (4, 5036280977), (7, 2877874844), (13, 1549624916), (14, 1438937422), (26, 774812458), (28, 719468711), (52, 387406229), (91, 221374988), (182, 110687494), (364, 55343747)]