20120779746

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{71761}}^1$

素因数の和:72227

約数の個数: 48

約数和(自身を含む): 44880241848

約数和(自身を除く): 24759462102

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 421, 666, 842, 1263, 2526, 3789, 7578, 15577, 31154, 46731, 71761, 93462, 140193, 143522, 215283, 280386, 430566, 645849, 1291698, 2655157, 5310314, 7965471, 15930942, 23896413, 30211381, 47792826, 60422762, 90634143, 181268286, 271902429, 543804858, 1117821097, 2235642194, 3353463291, 6706926582, 10060389873, 20120779746]

約数ペア:

[(1, 20120779746), (2, 10060389873), (3, 6706926582), (6, 3353463291), (9, 2235642194), (18, 1117821097), (37, 543804858), (74, 271902429), (111, 181268286), (222, 90634143), (333, 60422762), (421, 47792826), (666, 30211381), (842, 23896413), (1263, 15930942), (2526, 7965471), (3789, 5310314), (7578, 2655157), (15577, 1291698), (31154, 645849), (46731, 430566), (71761, 280386), (93462, 215283), (140193, 143522)]