20050810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1733}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 39327120

約数和(自身を除く): 19276310

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1733, 2314, 3466, 5785, 8665, 11570, 17330, 22529, 45058, 112645, 154237, 225290, 308474, 771185, 1542370, 2005081, 4010162, 10025405, 20050810]

約数ペア:

[(1, 20050810), (2, 10025405), (5, 4010162), (10, 2005081), (13, 1542370), (26, 771185), (65, 308474), (89, 225290), (130, 154237), (178, 112645), (445, 45058), (890, 22529), (1157, 17330), (1733, 11570), (2314, 8665), (3466, 5785)]