20149968220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{68729}}^1$

素因数の和:68982

約数の個数: 48

約数和(自身を含む): 43022780640

約数和(自身を除く): 22872812420

約数列:

[1, 2, 4, 5, 10, 20, 107, 137, 214, 274, 428, 535, 548, 685, 1070, 1370, 2140, 2740, 14659, 29318, 58636, 68729, 73295, 137458, 146590, 274916, 293180, 343645, 687290, 1374580, 7354003, 9415873, 14708006, 18831746, 29416012, 36770015, 37663492, 47079365, 73540030, 94158730, 147080060, 188317460, 1007498411, 2014996822, 4029993644, 5037492055, 10074984110, 20149968220]

約数ペア:

[(1, 20149968220), (2, 10074984110), (4, 5037492055), (5, 4029993644), (10, 2014996822), (20, 1007498411), (107, 188317460), (137, 147080060), (214, 94158730), (274, 73540030), (428, 47079365), (535, 37663492), (548, 36770015), (685, 29416012), (1070, 18831746), (1370, 14708006), (2140, 9415873), (2740, 7354003), (14659, 1374580), (29318, 687290), (58636, 343645), (68729, 293180), (73295, 274916), (137458, 146590)]