20795152

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2335

約数の個数: 40

約数和(自身を含む): 46622016

約数和(自身を除く): 25826864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2237, 2324, 4474, 4648, 8948, 9296, 15659, 17896, 31318, 35792, 62636, 125272, 185671, 250544, 371342, 742684, 1299697, 1485368, 2599394, 2970736, 5198788, 10397576, 20795152]

約数ペア:

[(1, 20795152), (2, 10397576), (4, 5198788), (7, 2970736), (8, 2599394), (14, 1485368), (16, 1299697), (28, 742684), (56, 371342), (83, 250544), (112, 185671), (166, 125272), (332, 62636), (581, 35792), (664, 31318), (1162, 17896), (1328, 15659), (2237, 9296), (2324, 8948), (4474, 4648)]