20001473855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12540109}}^1$

素因数の和:12540154

約数の個数: 16

約数和(自身を含む): 27086637600

約数和(自身を除く): 7085163745

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12540109, 62700545, 137941199, 363663161, 689705995, 1818315805, 4000294771, 20001473855]

約数ペア:

[(1, 20001473855), (5, 4000294771), (11, 1818315805), (29, 689705995), (55, 363663161), (145, 137941199), (319, 62700545), (1595, 12540109)]