20321000315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52781819}}^1$

素因数の和:52781842

約数の個数: 16

約数和(自身を含む): 30402328320

約数和(自身を除く): 10081328005

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52781819, 263909095, 369472733, 580600009, 1847363665, 2903000045, 4064200063, 20321000315]

約数ペア:

[(1, 20321000315), (5, 4064200063), (7, 2903000045), (11, 1847363665), (35, 580600009), (55, 369472733), (77, 263909095), (385, 52781819)]