20123682012

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{1723}}^1\times {\mathrm{2207}}^1$

素因数の和:3957

約数の個数: 144

約数和(自身を含む): 60753208320

約数和(自身を除く): 40629526308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1723, 1764, 2207, 2646, 3446, 4414, 5169, 5292, 6621, 6892, 8828, 10338, 12061, 13242, 15449, 15507, 19863, 20676, 24122, 26484, 30898, 31014, 36183, 39726, 46347, 46521, 48244, 59589, 61796, 62028, 72366, 79452, 84427, 92694, 93042, 108143, 108549, 119178, 139041, 144732, 168854, 185388, 186084, 216286, 217098, 238356, 253281, 278082, 324429, 325647, 337708, 417123, 432572, 434196, 506562, 556164, 648858, 651294, 759843, 834246, 973287, 1013124, 1297716, 1302588, 1519686, 1668492, 1946574, 2279529, 2919861, 3039372, 3802661, 3893148, 4559058, 5839722, 7605322, 9118116, 11407983, 11679444, 15210644, 22815966, 26618627, 34223949, 45631932, 53237254, 68447898, 79855881, 102671847, 106474508, 136895796, 159711762, 186330389, 205343694, 239567643, 319423524, 372660778, 410687388, 479135286, 558991167, 718702929, 745321556, 958270572, 1117982334, 1437405858, 1676973501, 2235964668, 2874811716, 3353947002, 5030920503, 6707894004, 10061841006, 20123682012]

約数ペア:

[(1, 20123682012), (2, 10061841006), (3, 6707894004), (4, 5030920503), (6, 3353947002), (7, 2874811716), (9, 2235964668), (12, 1676973501), (14, 1437405858), (18, 1117982334), (21, 958270572), (27, 745321556), (28, 718702929), (36, 558991167), (42, 479135286), (49, 410687388), (54, 372660778), (63, 319423524), (84, 239567643), (98, 205343694), (108, 186330389), (126, 159711762), (147, 136895796), (189, 106474508), (196, 102671847), (252, 79855881), (294, 68447898), (378, 53237254), (441, 45631932), (588, 34223949), (756, 26618627), (882, 22815966), (1323, 15210644), (1723, 11679444), (1764, 11407983), (2207, 9118116), (2646, 7605322), (3446, 5839722), (4414, 4559058), (5169, 3893148), (5292, 3802661), (6621, 3039372), (6892, 2919861), (8828, 2279529), (10338, 1946574), (12061, 1668492), (13242, 1519686), (15449, 1302588), (15507, 1297716), (19863, 1013124), (20676, 973287), (24122, 834246), (26484, 759843), (30898, 651294), (31014, 648858), (36183, 556164), (39726, 506562), (46347, 434196), (46521, 432572), (48244, 417123), (59589, 337708), (61796, 325647), (62028, 324429), (72366, 278082), (79452, 253281), (84427, 238356), (92694, 217098), (93042, 216286), (108143, 186084), (108549, 185388), (119178, 168854), (139041, 144732)]