20068510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 25758050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 67, 70, 77, 110, 134, 154, 335, 385, 389, 469, 670, 737, 770, 778, 938, 1474, 1945, 2345, 2723, 3685, 3890, 4279, 4690, 5159, 5446, 7370, 8558, 10318, 13615, 21395, 25795, 26063, 27230, 29953, 42790, 51590, 52126, 59906, 130315, 149765, 182441, 260630, 286693, 299530, 364882, 573386, 912205, 1433465, 1824410, 2006851, 2866930, 4013702, 10034255, 20068510]

約数ペア:

[(1, 20068510), (2, 10034255), (5, 4013702), (7, 2866930), (10, 2006851), (11, 1824410), (14, 1433465), (22, 912205), (35, 573386), (55, 364882), (67, 299530), (70, 286693), (77, 260630), (110, 182441), (134, 149765), (154, 130315), (335, 59906), (385, 52126), (389, 51590), (469, 42790), (670, 29953), (737, 27230), (770, 26063), (778, 25795), (938, 21395), (1474, 13615), (1945, 10318), (2345, 8558), (2723, 7370), (3685, 5446), (3890, 5159), (4279, 4690)]