20057480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6869}}^1$

素因数の和:6953

約数の個数: 32

約数和(自身を含む): 45754200

約数和(自身を除く): 25696720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6869, 13738, 27476, 34345, 54952, 68690, 137380, 274760, 501437, 1002874, 2005748, 2507185, 4011496, 5014370, 10028740, 20057480]

約数ペア:

[(1, 20057480), (2, 10028740), (4, 5014370), (5, 4011496), (8, 2507185), (10, 2005748), (20, 1002874), (40, 501437), (73, 274760), (146, 137380), (292, 68690), (365, 54952), (584, 34345), (730, 27476), (1460, 13738), (2920, 6869)]