20042080

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 47643120

約数和(自身を除く): 27601040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 547, 916, 1094, 1145, 1832, 2188, 2290, 2735, 3664, 4376, 4580, 5470, 7328, 8752, 9160, 10940, 17504, 18320, 21880, 36640, 43760, 87520, 125263, 250526, 501052, 626315, 1002104, 1252630, 2004208, 2505260, 4008416, 5010520, 10021040, 20042080]

約数ペア:

[(1, 20042080), (2, 10021040), (4, 5010520), (5, 4008416), (8, 2505260), (10, 2004208), (16, 1252630), (20, 1002104), (32, 626315), (40, 501052), (80, 250526), (160, 125263), (229, 87520), (458, 43760), (547, 36640), (916, 21880), (1094, 18320), (1145, 17504), (1832, 10940), (2188, 9160), (2290, 8752), (2735, 7328), (3664, 5470), (4376, 4580)]