20974930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 39299904

約数和(自身を除く): 18324974

約数列:

[1, 2, 5, 10, 37, 74, 83, 166, 185, 370, 415, 683, 830, 1366, 3071, 3415, 6142, 6830, 15355, 25271, 30710, 50542, 56689, 113378, 126355, 252710, 283445, 566890, 2097493, 4194986, 10487465, 20974930]

約数ペア:

[(1, 20974930), (2, 10487465), (5, 4194986), (10, 2097493), (37, 566890), (74, 283445), (83, 252710), (166, 126355), (185, 113378), (370, 56689), (415, 50542), (683, 30710), (830, 25271), (1366, 15355), (3071, 6830), (3415, 6142)]