20515804557

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1627}}^1\times {\mathrm{3307}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 28952039424

約数和(自身を除く): 8436234867

約数列:

[1, 3, 31, 41, 93, 123, 1271, 1627, 3307, 3813, 4881, 9921, 50437, 66707, 102517, 135587, 151311, 200121, 307551, 406761, 2067917, 4203197, 5380489, 6203751, 12609591, 16141467, 166795159, 220600049, 500385477, 661800147, 6838601519, 20515804557]

約数ペア:

[(1, 20515804557), (3, 6838601519), (31, 661800147), (41, 500385477), (93, 220600049), (123, 166795159), (1271, 16141467), (1627, 12609591), (3307, 6203751), (3813, 5380489), (4881, 4203197), (9921, 2067917), (50437, 406761), (66707, 307551), (102517, 200121), (135587, 151311)]