20670315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 34383360

約数和(自身を除く): 13713045

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 439, 645, 1095, 1317, 2195, 3139, 6585, 9417, 15695, 18877, 32047, 47085, 56631, 94385, 96141, 160235, 283155, 480705, 1378021, 4134063, 6890105, 20670315]

約数ペア:

[(1, 20670315), (3, 6890105), (5, 4134063), (15, 1378021), (43, 480705), (73, 283155), (129, 160235), (215, 96141), (219, 94385), (365, 56631), (439, 47085), (645, 32047), (1095, 18877), (1317, 15695), (2195, 9417), (3139, 6585)]