20188657629

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{42349}}^1$

素因数の和:42439

約数の個数: 72

約数和(自身を含む): 36151315200

約数和(自身を除く): 15962657571

約数列:

[1, 3, 7, 9, 21, 23, 47, 49, 63, 69, 141, 147, 161, 207, 329, 423, 441, 483, 987, 1081, 1127, 1449, 2303, 2961, 3243, 3381, 6909, 7567, 9729, 10143, 20727, 22701, 42349, 52969, 68103, 127047, 158907, 296443, 381141, 476721, 889329, 974027, 1990403, 2075101, 2667987, 2922081, 5971209, 6225303, 6818189, 8766243, 13932821, 17913627, 18675909, 20454567, 41798463, 45779269, 47727323, 61363701, 97529747, 125395389, 137337807, 143181969, 292589241, 320454883, 412013421, 429545907, 877767723, 961364649, 2243184181, 2884093947, 6729552543, 20188657629]

約数ペア:

[(1, 20188657629), (3, 6729552543), (7, 2884093947), (9, 2243184181), (21, 961364649), (23, 877767723), (47, 429545907), (49, 412013421), (63, 320454883), (69, 292589241), (141, 143181969), (147, 137337807), (161, 125395389), (207, 97529747), (329, 61363701), (423, 47727323), (441, 45779269), (483, 41798463), (987, 20454567), (1081, 18675909), (1127, 17913627), (1449, 13932821), (2303, 8766243), (2961, 6818189), (3243, 6225303), (3381, 5971209), (6909, 2922081), (7567, 2667987), (9729, 2075101), (10143, 1990403), (20727, 974027), (22701, 889329), (42349, 476721), (52969, 381141), (68103, 296443), (127047, 158907)]