20158650054

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{405917}}^1$

素因数の和:406045

約数の個数: 48

約数和(自身を含む): 45592709760

約数和(自身を除く): 25434059706

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 534, 558, 801, 1602, 2759, 5518, 8277, 16554, 24831, 49662, 405917, 811834, 1217751, 2435502, 3653253, 7306506, 12583427, 25166854, 36126613, 37750281, 72253226, 75500562, 108379839, 113250843, 216759678, 226501686, 325139517, 650279034, 1119925003, 2239850006, 3359775009, 6719550018, 10079325027, 20158650054]

約数ペア:

[(1, 20158650054), (2, 10079325027), (3, 6719550018), (6, 3359775009), (9, 2239850006), (18, 1119925003), (31, 650279034), (62, 325139517), (89, 226501686), (93, 216759678), (178, 113250843), (186, 108379839), (267, 75500562), (279, 72253226), (534, 37750281), (558, 36126613), (801, 25166854), (1602, 12583427), (2759, 7306506), (5518, 3653253), (8277, 2435502), (16554, 1217751), (24831, 811834), (49662, 405917)]