20121567678904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1531}}^1\times {\mathrm{257863}}^1$

素因数の和:259700

約数の個数: 64

約数和(自身を含む): 39536368611840

約数和(自身を除く): 19414800932936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 277, 554, 1108, 1531, 2216, 3062, 6124, 6371, 12248, 12742, 25484, 35213, 50968, 70426, 140852, 257863, 281704, 424087, 515726, 848174, 1031452, 1696348, 2062904, 3392696, 5930849, 9754001, 11861698, 19508002, 23723396, 39016004, 47446792, 71428051, 78032008, 142856102, 285712204, 394788253, 571424408, 789576506, 1579153012, 1642845173, 3158306024, 3285690346, 6571380692, 9080129819, 13142761384, 18160259638, 36320519276, 72641038552, 109356346081, 218712692162, 437425384324, 874850768648, 2515195959863, 5030391919726, 10060783839452, 20121567678904]

約数ペア:

[(1, 20121567678904), (2, 10060783839452), (4, 5030391919726), (8, 2515195959863), (23, 874850768648), (46, 437425384324), (92, 218712692162), (184, 109356346081), (277, 72641038552), (554, 36320519276), (1108, 18160259638), (1531, 13142761384), (2216, 9080129819), (3062, 6571380692), (6124, 3285690346), (6371, 3158306024), (12248, 1642845173), (12742, 1579153012), (25484, 789576506), (35213, 571424408), (50968, 394788253), (70426, 285712204), (140852, 142856102), (257863, 78032008), (281704, 71428051), (424087, 47446792), (515726, 39016004), (848174, 23723396), (1031452, 19508002), (1696348, 11861698), (2062904, 9754001), (3392696, 5930849)]