20771472

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{673}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 53822944

約数和(自身を除く): 33051472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 673, 1286, 1346, 1929, 2019, 2572, 2692, 3858, 4038, 5144, 5384, 7716, 8076, 10288, 10768, 15432, 16152, 30864, 32304, 432739, 865478, 1298217, 1730956, 2596434, 3461912, 5192868, 6923824, 10385736, 20771472]

約数ペア:

[(1, 20771472), (2, 10385736), (3, 6923824), (4, 5192868), (6, 3461912), (8, 2596434), (12, 1730956), (16, 1298217), (24, 865478), (48, 432739), (643, 32304), (673, 30864), (1286, 16152), (1346, 15432), (1929, 10768), (2019, 10288), (2572, 8076), (2692, 7716), (3858, 5384), (4038, 5144)]