20194986464

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{22271}}^1$

素因数の和:22983

約数の個数: 48

約数和(自身を含む): 40747069440

約数和(自身を除く): 20552082976

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 659, 688, 1318, 1376, 2636, 5272, 10544, 21088, 22271, 28337, 44542, 56674, 89084, 113348, 178168, 226696, 356336, 453392, 712672, 906784, 957653, 1915306, 3830612, 7661224, 14676589, 15322448, 29353178, 30644896, 58706356, 117412712, 234825424, 469650848, 631093327, 1262186654, 2524373308, 5048746616, 10097493232, 20194986464]

約数ペア:

[(1, 20194986464), (2, 10097493232), (4, 5048746616), (8, 2524373308), (16, 1262186654), (32, 631093327), (43, 469650848), (86, 234825424), (172, 117412712), (344, 58706356), (659, 30644896), (688, 29353178), (1318, 15322448), (1376, 14676589), (2636, 7661224), (5272, 3830612), (10544, 1915306), (21088, 957653), (22271, 906784), (28337, 712672), (44542, 453392), (56674, 356336), (89084, 226696), (113348, 178168)]