20834512

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 20948528

約数列:

[1, 2, 4, 8, 16, 53, 79, 106, 158, 212, 311, 316, 424, 622, 632, 848, 1244, 1264, 2488, 4187, 4976, 8374, 16483, 16748, 24569, 32966, 33496, 49138, 65932, 66992, 98276, 131864, 196552, 263728, 393104, 1302157, 2604314, 5208628, 10417256, 20834512]

約数ペア:

[(1, 20834512), (2, 10417256), (4, 5208628), (8, 2604314), (16, 1302157), (53, 393104), (79, 263728), (106, 196552), (158, 131864), (212, 98276), (311, 66992), (316, 65932), (424, 49138), (622, 33496), (632, 32966), (848, 24569), (1244, 16748), (1264, 16483), (2488, 8374), (4187, 4976)]