20026425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 15596295

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 139, 255, 339, 417, 425, 565, 695, 1275, 1695, 1921, 2085, 2363, 2825, 3475, 5763, 7089, 8475, 9605, 10425, 11815, 15707, 28815, 35445, 47121, 48025, 59075, 78535, 144075, 177225, 235605, 267019, 392675, 801057, 1178025, 1335095, 4005285, 6675475, 20026425]

約数ペア:

[(1, 20026425), (3, 6675475), (5, 4005285), (15, 1335095), (17, 1178025), (25, 801057), (51, 392675), (75, 267019), (85, 235605), (113, 177225), (139, 144075), (255, 78535), (339, 59075), (417, 48025), (425, 47121), (565, 35445), (695, 28815), (1275, 15707), (1695, 11815), (1921, 10425), (2085, 9605), (2363, 8475), (2825, 7089), (3475, 5763)]