20634040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73693}}^1$

素因数の和:73711

約数の個数: 32

約数和(自身を含む): 53059680

約数和(自身を除く): 32425640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73693, 147386, 294772, 368465, 515851, 589544, 736930, 1031702, 1473860, 2063404, 2579255, 2947720, 4126808, 5158510, 10317020, 20634040]

約数ペア:

[(1, 20634040), (2, 10317020), (4, 5158510), (5, 4126808), (7, 2947720), (8, 2579255), (10, 2063404), (14, 1473860), (20, 1031702), (28, 736930), (35, 589544), (40, 515851), (56, 368465), (70, 294772), (140, 147386), (280, 73693)]