20825565560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7132043}}^1$

素因数の和:7132127

約数の個数: 32

約数和(自身を含む): 47499413040

約数和(自身を除く): 26673847480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7132043, 14264086, 28528172, 35660215, 57056344, 71320430, 142640860, 285281720, 520639139, 1041278278, 2082556556, 2603195695, 4165113112, 5206391390, 10412782780, 20825565560]

約数ペア:

[(1, 20825565560), (2, 10412782780), (4, 5206391390), (5, 4165113112), (8, 2603195695), (10, 2082556556), (20, 1041278278), (40, 520639139), (73, 285281720), (146, 142640860), (292, 71320430), (365, 57056344), (584, 35660215), (730, 28528172), (1460, 14264086), (2920, 7132043)]