20122568944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{8713}}^1$

素因数の和:8918

約数の個数: 80

約数和(自身を含む): 42011239680

約数和(自身を除く): 21888670736

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 107, 142, 152, 214, 284, 304, 428, 568, 856, 1136, 1349, 1712, 2033, 2698, 4066, 5396, 7597, 8132, 8713, 10792, 15194, 16264, 17426, 21584, 30388, 32528, 34852, 60776, 69704, 121552, 139408, 144343, 165547, 288686, 331094, 577372, 618623, 662188, 932291, 1154744, 1237246, 1324376, 1864582, 2309488, 2474492, 2648752, 3729164, 4948984, 7458328, 9897968, 11753837, 14916656, 17713529, 23507674, 35427058, 47015348, 66192661, 70854116, 94030696, 132385322, 141708232, 188061392, 264770644, 283416464, 529541288, 1059082576, 1257660559, 2515321118, 5030642236, 10061284472, 20122568944]

約数ペア:

[(1, 20122568944), (2, 10061284472), (4, 5030642236), (8, 2515321118), (16, 1257660559), (19, 1059082576), (38, 529541288), (71, 283416464), (76, 264770644), (107, 188061392), (142, 141708232), (152, 132385322), (214, 94030696), (284, 70854116), (304, 66192661), (428, 47015348), (568, 35427058), (856, 23507674), (1136, 17713529), (1349, 14916656), (1712, 11753837), (2033, 9897968), (2698, 7458328), (4066, 4948984), (5396, 3729164), (7597, 2648752), (8132, 2474492), (8713, 2309488), (10792, 1864582), (15194, 1324376), (16264, 1237246), (17426, 1154744), (21584, 932291), (30388, 662188), (32528, 618623), (34852, 577372), (60776, 331094), (69704, 288686), (121552, 165547), (139408, 144343)]