20871330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18803}}^1$

素因数の和:18850

約数の個数: 32

約数和(自身を含む): 51447744

約数和(自身を除く): 30576414

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18803, 37606, 56409, 94015, 112818, 188030, 282045, 564090, 695711, 1391422, 2087133, 3478555, 4174266, 6957110, 10435665, 20871330]

約数ペア:

[(1, 20871330), (2, 10435665), (3, 6957110), (5, 4174266), (6, 3478555), (10, 2087133), (15, 1391422), (30, 695711), (37, 564090), (74, 282045), (111, 188030), (185, 112818), (222, 94015), (370, 56409), (555, 37606), (1110, 18803)]