20556324

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3637}}^1$

素因数の和:3804

約数の個数: 36

約数和(自身を含む): 52307164

約数和(自身を除く): 31750840

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3637, 5652, 7274, 10911, 14548, 21822, 32733, 43644, 65466, 130932, 571009, 1142018, 1713027, 2284036, 3426054, 5139081, 6852108, 10278162, 20556324]

約数ペア:

[(1, 20556324), (2, 10278162), (3, 6852108), (4, 5139081), (6, 3426054), (9, 2284036), (12, 1713027), (18, 1142018), (36, 571009), (157, 130932), (314, 65466), (471, 43644), (628, 32733), (942, 21822), (1413, 14548), (1884, 10911), (2826, 7274), (3637, 5652)]