20452040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73043}}^1$

素因数の和:73061

約数の個数: 32

約数和(自身を含む): 52591680

約数和(自身を除く): 32139640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73043, 146086, 292172, 365215, 511301, 584344, 730430, 1022602, 1460860, 2045204, 2556505, 2921720, 4090408, 5113010, 10226020, 20452040]

約数ペア:

[(1, 20452040), (2, 10226020), (4, 5113010), (5, 4090408), (7, 2921720), (8, 2556505), (10, 2045204), (14, 1460860), (20, 1022602), (28, 730430), (35, 584344), (40, 511301), (56, 365215), (70, 292172), (140, 146086), (280, 73043)]