20975292612

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1663}}^1\times {\mathrm{15233}}^1$

素因数の和:16929

約数の個数: 72

約数和(自身を含む): 55363037184

約数和(自身を除く): 34387744572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 1663, 3326, 4989, 6652, 9978, 14967, 15233, 19956, 29934, 30466, 38249, 45699, 59868, 60932, 76498, 91398, 114747, 137097, 152996, 182796, 229494, 274194, 344241, 350359, 458988, 548388, 688482, 700718, 1051077, 1376964, 1401436, 2102154, 3153231, 4204308, 6306462, 12612924, 25332479, 50664958, 75997437, 101329916, 151994874, 227992311, 303989748, 455984622, 582647017, 911969244, 1165294034, 1747941051, 2330588068, 3495882102, 5243823153, 6991764204, 10487646306, 20975292612]

約数ペア:

[(1, 20975292612), (2, 10487646306), (3, 6991764204), (4, 5243823153), (6, 3495882102), (9, 2330588068), (12, 1747941051), (18, 1165294034), (23, 911969244), (36, 582647017), (46, 455984622), (69, 303989748), (92, 227992311), (138, 151994874), (207, 101329916), (276, 75997437), (414, 50664958), (828, 25332479), (1663, 12612924), (3326, 6306462), (4989, 4204308), (6652, 3153231), (9978, 2102154), (14967, 1401436), (15233, 1376964), (19956, 1051077), (29934, 700718), (30466, 688482), (38249, 548388), (45699, 458988), (59868, 350359), (60932, 344241), (76498, 274194), (91398, 229494), (114747, 182796), (137097, 152996)]