20943840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43633}}^1$

素因数の和:43651

約数の個数: 48

約数和(自身を含む): 65974608

約数和(自身を除く): 45030768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43633, 87266, 130899, 174532, 218165, 261798, 349064, 436330, 523596, 654495, 698128, 872660, 1047192, 1308990, 1396256, 1745320, 2094384, 2617980, 3490640, 4188768, 5235960, 6981280, 10471920, 20943840]

約数ペア:

[(1, 20943840), (2, 10471920), (3, 6981280), (4, 5235960), (5, 4188768), (6, 3490640), (8, 2617980), (10, 2094384), (12, 1745320), (15, 1396256), (16, 1308990), (20, 1047192), (24, 872660), (30, 698128), (32, 654495), (40, 523596), (48, 436330), (60, 349064), (80, 261798), (96, 218165), (120, 174532), (160, 130899), (240, 87266), (480, 43633)]