20128934476

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{28949}}^1$

素因数の和:30286

約数の個数: 48

約数和(自身を含む): 42410592000

約数和(自身を除く): 22281657524

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1307, 2614, 5228, 9149, 18298, 24833, 28949, 36596, 49666, 57898, 99332, 115796, 173831, 202643, 347662, 405286, 550031, 695324, 810572, 1100062, 2200124, 3850217, 7700434, 15400868, 37836343, 75672686, 151345372, 264854401, 529708802, 718890517, 1059417604, 1437781034, 2875562068, 5032233619, 10064467238, 20128934476]

約数ペア:

[(1, 20128934476), (2, 10064467238), (4, 5032233619), (7, 2875562068), (14, 1437781034), (19, 1059417604), (28, 718890517), (38, 529708802), (76, 264854401), (133, 151345372), (266, 75672686), (532, 37836343), (1307, 15400868), (2614, 7700434), (5228, 3850217), (9149, 2200124), (18298, 1100062), (24833, 810572), (28949, 695324), (36596, 550031), (49666, 405286), (57898, 347662), (99332, 202643), (115796, 173831)]