20704962016

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{1901}}^1\times {\mathrm{9199}}^1$

素因数の和:11147

約数の個数: 48

約数和(自身を含む): 41891169600

約数和(自身を除く): 21186207584

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 1901, 3802, 7604, 9199, 15208, 18398, 30416, 36796, 60832, 70337, 73592, 140674, 147184, 281348, 294368, 340363, 562696, 680726, 1125392, 1361452, 2250784, 2722904, 5445808, 10891616, 17487299, 34974598, 69949196, 139898392, 279796784, 559593568, 647030063, 1294060126, 2588120252, 5176240504, 10352481008, 20704962016]

約数ペア:

[(1, 20704962016), (2, 10352481008), (4, 5176240504), (8, 2588120252), (16, 1294060126), (32, 647030063), (37, 559593568), (74, 279796784), (148, 139898392), (296, 69949196), (592, 34974598), (1184, 17487299), (1901, 10891616), (3802, 5445808), (7604, 2722904), (9199, 2250784), (15208, 1361452), (18398, 1125392), (30416, 680726), (36796, 562696), (60832, 340363), (70337, 294368), (73592, 281348), (140674, 147184)]