20610520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73609}}^1$

素因数の和:73627

約数の個数: 32

約数和(自身を含む): 52999200

約数和(自身を除く): 32388680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73609, 147218, 294436, 368045, 515263, 588872, 736090, 1030526, 1472180, 2061052, 2576315, 2944360, 4122104, 5152630, 10305260, 20610520]

約数ペア:

[(1, 20610520), (2, 10305260), (4, 5152630), (5, 4122104), (7, 2944360), (8, 2576315), (10, 2061052), (14, 1472180), (20, 1030526), (28, 736090), (35, 588872), (40, 515263), (56, 368045), (70, 294436), (140, 147218), (280, 73609)]