20717070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 55109376

約数和(自身を除く): 34392306

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 937, 1005, 1474, 1874, 2010, 2211, 2811, 3685, 4422, 4685, 5622, 7370, 9370, 10307, 11055, 14055, 20614, 22110, 28110, 30921, 51535, 61842, 62779, 103070, 125558, 154605, 188337, 309210, 313895, 376674, 627790, 690569, 941685, 1381138, 1883370, 2071707, 3452845, 4143414, 6905690, 10358535, 20717070]

約数ペア:

[(1, 20717070), (2, 10358535), (3, 6905690), (5, 4143414), (6, 3452845), (10, 2071707), (11, 1883370), (15, 1381138), (22, 941685), (30, 690569), (33, 627790), (55, 376674), (66, 313895), (67, 309210), (110, 188337), (134, 154605), (165, 125558), (201, 103070), (330, 62779), (335, 61842), (402, 51535), (670, 30921), (737, 28110), (937, 22110), (1005, 20614), (1474, 14055), (1874, 11055), (2010, 10307), (2211, 9370), (2811, 7370), (3685, 5622), (4422, 4685)]