20861532

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3691}}^1$

素因数の和:3858

約数の個数: 36

約数和(自身を含む): 53083576

約数和(自身を除く): 32222044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3691, 5652, 7382, 11073, 14764, 22146, 33219, 44292, 66438, 132876, 579487, 1158974, 1738461, 2317948, 3476922, 5215383, 6953844, 10430766, 20861532]

約数ペア:

[(1, 20861532), (2, 10430766), (3, 6953844), (4, 5215383), (6, 3476922), (9, 2317948), (12, 1738461), (18, 1158974), (36, 579487), (157, 132876), (314, 66438), (471, 44292), (628, 33219), (942, 22146), (1413, 14764), (1884, 11073), (2826, 7382), (3691, 5652)]