20133825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 35712000

約数和(自身を除く): 15578175

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 199, 213, 285, 355, 475, 597, 995, 1065, 1349, 1425, 1775, 2985, 3781, 4047, 4975, 5325, 6745, 11343, 14129, 14925, 18905, 20235, 33725, 42387, 56715, 70645, 94525, 101175, 211935, 268451, 283575, 353225, 805353, 1059675, 1342255, 4026765, 6711275, 20133825]

約数ペア:

[(1, 20133825), (3, 6711275), (5, 4026765), (15, 1342255), (19, 1059675), (25, 805353), (57, 353225), (71, 283575), (75, 268451), (95, 211935), (199, 101175), (213, 94525), (285, 70645), (355, 56715), (475, 42387), (597, 33725), (995, 20235), (1065, 18905), (1349, 14925), (1425, 14129), (1775, 11343), (2985, 6745), (3781, 5325), (4047, 4975)]