20641930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 18362486

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 1187, 1739, 2374, 3478, 5935, 8695, 11870, 17390, 43919, 55789, 87838, 111578, 219595, 278945, 439190, 557890, 2064193, 4128386, 10320965, 20641930]

約数ペア:

[(1, 20641930), (2, 10320965), (5, 4128386), (10, 2064193), (37, 557890), (47, 439190), (74, 278945), (94, 219595), (185, 111578), (235, 87838), (370, 55789), (470, 43919), (1187, 17390), (1739, 11870), (2374, 8695), (3478, 5935)]