20858552001

素因数分解:

$3^3\times 7^1\times {\mathrm{2663}}^1\times {\mathrm{41443}}^1$

素因数の和:44122

約数の個数: 32

約数和(自身を含む): 35330181120

約数和(自身を除く): 14471629119

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2663, 7989, 18641, 23967, 41443, 55923, 71901, 124329, 167769, 290101, 372987, 503307, 870303, 1118961, 2610909, 7832727, 110362709, 331088127, 772538963, 993264381, 2317616889, 2979793143, 6952850667, 20858552001]

約数ペア:

[(1, 20858552001), (3, 6952850667), (7, 2979793143), (9, 2317616889), (21, 993264381), (27, 772538963), (63, 331088127), (189, 110362709), (2663, 7832727), (7989, 2610909), (18641, 1118961), (23967, 870303), (41443, 503307), (55923, 372987), (71901, 290101), (124329, 167769)]