20167979515

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{7309}}^1$

素因数の和:7567

約数の個数: 32

約数和(自身を含む): 25126516800

約数和(自身を除く): 4958537285

約数列:

[1, 5, 61, 83, 109, 305, 415, 545, 5063, 6649, 7309, 9047, 25315, 33245, 36545, 45235, 445849, 551867, 606647, 796681, 2229245, 2759335, 3033235, 3983405, 37005467, 48597541, 66124523, 185027335, 242987705, 330622615, 4033595903, 20167979515]

約数ペア:

[(1, 20167979515), (5, 4033595903), (61, 330622615), (83, 242987705), (109, 185027335), (305, 66124523), (415, 48597541), (545, 37005467), (5063, 3983405), (6649, 3033235), (7309, 2759335), (9047, 2229245), (25315, 796681), (33245, 606647), (36545, 551867), (45235, 445849)]