20686985028

素因数分解:

$2^2\times 3^2\times {\mathrm{2351}}^1\times {\mathrm{244423}}^1$

素因数の和:246784

約数の個数: 36

約数和(自身を含む): 52314557568

約数和(自身を除く): 31627572540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2351, 4702, 7053, 9404, 14106, 21159, 28212, 42318, 84636, 244423, 488846, 733269, 977692, 1466538, 2199807, 2933076, 4399614, 8799228, 574638473, 1149276946, 1723915419, 2298553892, 3447830838, 5171746257, 6895661676, 10343492514, 20686985028]

約数ペア:

[(1, 20686985028), (2, 10343492514), (3, 6895661676), (4, 5171746257), (6, 3447830838), (9, 2298553892), (12, 1723915419), (18, 1149276946), (36, 574638473), (2351, 8799228), (4702, 4399614), (7053, 2933076), (9404, 2199807), (14106, 1466538), (21159, 977692), (28212, 733269), (42318, 488846), (84636, 244423)]