20477237888

素因数分解:

$2^7\times {\mathrm{19531}}^1\times {\mathrm{8191}}^1$

素因数の和:27736

約数の個数: 32

約数和(自身を含む): 40801566720

約数和(自身を除く): 20324328832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 8191, 16382, 19531, 32764, 39062, 65528, 78124, 131056, 156248, 262112, 312496, 524224, 624992, 1048448, 1249984, 2499968, 159978421, 319956842, 639913684, 1279827368, 2559654736, 5119309472, 10238618944, 20477237888]

約数ペア:

[(1, 20477237888), (2, 10238618944), (4, 5119309472), (8, 2559654736), (16, 1279827368), (32, 639913684), (64, 319956842), (128, 159978421), (8191, 2499968), (16382, 1249984), (19531, 1048448), (32764, 624992), (39062, 524224), (65528, 312496), (78124, 262112), (131056, 156248)]