20718048

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1277}}^1$

素因数の和:1316

約数の個数: 72

約数和(自身を含む): 58936248

約数和(自身を除く): 38218200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1277, 1352, 2028, 2554, 2704, 3831, 4056, 5108, 5408, 7662, 8112, 10216, 15324, 16224, 16601, 20432, 30648, 33202, 40864, 49803, 61296, 66404, 99606, 122592, 132808, 199212, 215813, 265616, 398424, 431626, 531232, 647439, 796848, 863252, 1294878, 1593696, 1726504, 2589756, 3453008, 5179512, 6906016, 10359024, 20718048]

約数ペア:

[(1, 20718048), (2, 10359024), (3, 6906016), (4, 5179512), (6, 3453008), (8, 2589756), (12, 1726504), (13, 1593696), (16, 1294878), (24, 863252), (26, 796848), (32, 647439), (39, 531232), (48, 431626), (52, 398424), (78, 265616), (96, 215813), (104, 199212), (156, 132808), (169, 122592), (208, 99606), (312, 66404), (338, 61296), (416, 49803), (507, 40864), (624, 33202), (676, 30648), (1014, 20432), (1248, 16601), (1277, 16224), (1352, 15324), (2028, 10216), (2554, 8112), (2704, 7662), (3831, 5408), (4056, 5108)]