20565584165

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{486817}}^1$

素因数の和:486917

約数の個数: 32

約数和(自身を含む): 30283974144

約数和(自身を除く): 9718389979

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 497, 595, 1207, 2485, 6035, 8449, 42245, 486817, 2434085, 3407719, 8275889, 17038595, 34564007, 41379445, 57931223, 172820035, 241948049, 289656115, 587588119, 1209740245, 2937940595, 4113116833, 20565584165]

約数ペア:

[(1, 20565584165), (5, 4113116833), (7, 2937940595), (17, 1209740245), (35, 587588119), (71, 289656115), (85, 241948049), (119, 172820035), (355, 57931223), (497, 41379445), (595, 34564007), (1207, 17038595), (2485, 8275889), (6035, 3407719), (8449, 2434085), (42245, 486817)]