20131295025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15789251}}^1$

素因数の和:15789281

約数の個数: 24

約数和(自身を含む): 35241610464

約数和(自身を除く): 15110315439

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15789251, 47367753, 78946255, 236838765, 268417267, 394731275, 805251801, 1184193825, 1342086335, 4026259005, 6710431675, 20131295025]

約数ペア:

[(1, 20131295025), (3, 6710431675), (5, 4026259005), (15, 1342086335), (17, 1184193825), (25, 805251801), (51, 394731275), (75, 268417267), (85, 236838765), (255, 78946255), (425, 47367753), (1275, 15789251)]