20798770511

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{63577}}^1$

素因数の和:63842

約数の個数: 16

約数和(自身を含む): 21948142848

約数和(自身を除く): 1149372337

約数列:

[1, 31, 61, 173, 1891, 5363, 10553, 63577, 327143, 1970887, 3878197, 10998821, 120224107, 340963451, 670928081, 20798770511]

約数ペア:

[(1, 20798770511), (31, 670928081), (61, 340963451), (173, 120224107), (1891, 10998821), (5363, 3878197), (10553, 1970887), (63577, 327143)]