20452208

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1414

約数の個数: 60

約数和(自身を含む): 48557160

約数和(自身を除く): 28104952

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1373, 1862, 2128, 2746, 3724, 5492, 7448, 9611, 10984, 14896, 19222, 21968, 26087, 38444, 52174, 67277, 76888, 104348, 134554, 153776, 182609, 208696, 269108, 365218, 417392, 538216, 730436, 1076432, 1278263, 1460872, 2556526, 2921744, 5113052, 10226104, 20452208]

約数ペア:

[(1, 20452208), (2, 10226104), (4, 5113052), (7, 2921744), (8, 2556526), (14, 1460872), (16, 1278263), (19, 1076432), (28, 730436), (38, 538216), (49, 417392), (56, 365218), (76, 269108), (98, 208696), (112, 182609), (133, 153776), (152, 134554), (196, 104348), (266, 76888), (304, 67277), (392, 52174), (532, 38444), (784, 26087), (931, 21968), (1064, 19222), (1373, 14896), (1862, 10984), (2128, 9611), (2746, 7448), (3724, 5492)]