20954704

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45161}}^1$

素因数の和:45198

約数の個数: 20

約数和(自身を含む): 42000660

約数和(自身を除く): 21045956

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45161, 90322, 180644, 361288, 722576, 1309669, 2619338, 5238676, 10477352, 20954704]

約数ペア:

[(1, 20954704), (2, 10477352), (4, 5238676), (8, 2619338), (16, 1309669), (29, 722576), (58, 361288), (116, 180644), (232, 90322), (464, 45161)]