20974590180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{345773}}^1$

素因数の和:346125

約数の個数: 72

約数和(自身を含む): 63811900152

約数和(自身を除く): 42837309972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 337, 674, 1011, 1348, 1685, 2022, 3033, 3370, 4044, 5055, 6066, 6740, 10110, 12132, 15165, 20220, 30330, 60660, 345773, 691546, 1037319, 1383092, 1728865, 2074638, 3111957, 3457730, 4149276, 5186595, 6223914, 6915460, 10373190, 12447828, 15559785, 20746380, 31119570, 62239140, 116525501, 233051002, 349576503, 466102004, 582627505, 699153006, 1048729509, 1165255010, 1398306012, 1747882515, 2097459018, 2330510020, 3495765030, 4194918036, 5243647545, 6991530060, 10487295090, 20974590180]

約数ペア:

[(1, 20974590180), (2, 10487295090), (3, 6991530060), (4, 5243647545), (5, 4194918036), (6, 3495765030), (9, 2330510020), (10, 2097459018), (12, 1747882515), (15, 1398306012), (18, 1165255010), (20, 1048729509), (30, 699153006), (36, 582627505), (45, 466102004), (60, 349576503), (90, 233051002), (180, 116525501), (337, 62239140), (674, 31119570), (1011, 20746380), (1348, 15559785), (1685, 12447828), (2022, 10373190), (3033, 6915460), (3370, 6223914), (4044, 5186595), (5055, 4149276), (6066, 3457730), (6740, 3111957), (10110, 2074638), (12132, 1728865), (15165, 1383092), (20220, 1037319), (30330, 691546), (60660, 345773)]