20201474740

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1\times {\mathrm{9091}}^1$

素因数の和:10048

約数の個数: 48

約数和(自身を含む): 42790152384

約数和(自身を除く): 22588677644

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 811, 1370, 1622, 2740, 3244, 4055, 8110, 9091, 16220, 18182, 36364, 45455, 90910, 111107, 181820, 222214, 444428, 555535, 1111070, 1245467, 2222140, 2490934, 4981868, 6227335, 7372801, 12454670, 14745602, 24909340, 29491204, 36864005, 73728010, 147456020, 1010073737, 2020147474, 4040294948, 5050368685, 10100737370, 20201474740]

約数ペア:

[(1, 20201474740), (2, 10100737370), (4, 5050368685), (5, 4040294948), (10, 2020147474), (20, 1010073737), (137, 147456020), (274, 73728010), (548, 36864005), (685, 29491204), (811, 24909340), (1370, 14745602), (1622, 12454670), (2740, 7372801), (3244, 6227335), (4055, 4981868), (8110, 2490934), (9091, 2222140), (16220, 1245467), (18182, 1111070), (36364, 555535), (45455, 444428), (90910, 222214), (111107, 181820)]