20480454558

素因数分解:

$2^1\times 3^7\times {\mathrm{23}}^1\times {\mathrm{203579}}^1$

素因数の和:203625

約数の個数: 64

約数和(自身を含む): 48077452800

約数和(自身を除く): 27596998242

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 729, 1242, 1458, 1863, 2187, 3726, 4374, 5589, 11178, 16767, 33534, 50301, 100602, 203579, 407158, 610737, 1221474, 1832211, 3664422, 4682317, 5496633, 9364634, 10993266, 14046951, 16489899, 28093902, 32979798, 42140853, 49469697, 84281706, 98939394, 126422559, 148409091, 252845118, 296818182, 379267677, 445227273, 758535354, 890454546, 1137803031, 2275606062, 3413409093, 6826818186, 10240227279, 20480454558]

約数ペア:

[(1, 20480454558), (2, 10240227279), (3, 6826818186), (6, 3413409093), (9, 2275606062), (18, 1137803031), (23, 890454546), (27, 758535354), (46, 445227273), (54, 379267677), (69, 296818182), (81, 252845118), (138, 148409091), (162, 126422559), (207, 98939394), (243, 84281706), (414, 49469697), (486, 42140853), (621, 32979798), (729, 28093902), (1242, 16489899), (1458, 14046951), (1863, 10993266), (2187, 9364634), (3726, 5496633), (4374, 4682317), (5589, 3664422), (11178, 1832211), (16767, 1221474), (33534, 610737), (50301, 407158), (100602, 203579)]