20797756

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3659}}^1$

素因数の和:3706

約数の個数: 36

約数和(自身を含む): 43810200

約数和(自身を除く): 23012444

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3659, 5684, 7318, 14636, 25613, 51226, 102452, 106111, 179291, 212222, 358582, 424444, 717164, 742777, 1485554, 2971108, 5199439, 10398878, 20797756]

約数ペア:

[(1, 20797756), (2, 10398878), (4, 5199439), (7, 2971108), (14, 1485554), (28, 742777), (29, 717164), (49, 424444), (58, 358582), (98, 212222), (116, 179291), (196, 106111), (203, 102452), (406, 51226), (812, 25613), (1421, 14636), (2842, 7318), (3659, 5684)]