20145776

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9467}}^1$

素因数の和:9501

約数の個数: 40

約数和(自身を含む): 46961280

約数和(自身を除く): 26815504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9467, 18934, 37868, 66269, 75736, 132538, 151472, 179873, 265076, 359746, 530152, 719492, 1060304, 1259111, 1438984, 2518222, 2877968, 5036444, 10072888, 20145776]

約数ペア:

[(1, 20145776), (2, 10072888), (4, 5036444), (7, 2877968), (8, 2518222), (14, 1438984), (16, 1259111), (19, 1060304), (28, 719492), (38, 530152), (56, 359746), (76, 265076), (112, 179873), (133, 151472), (152, 132538), (266, 75736), (304, 66269), (532, 37868), (1064, 18934), (2128, 9467)]