20785893285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4349}}^1\times {\mathrm{18743}}^1$

素因数の和:23117

約数の個数: 32

約数和(自身を含む): 35223724800

約数和(自身を除く): 14437831515

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4349, 13047, 18743, 21745, 56229, 65235, 73933, 93715, 221799, 281145, 318631, 369665, 955893, 1108995, 1593155, 4779465, 81513307, 244539921, 407566535, 1222699605, 1385726219, 4157178657, 6928631095, 20785893285]

約数ペア:

[(1, 20785893285), (3, 6928631095), (5, 4157178657), (15, 1385726219), (17, 1222699605), (51, 407566535), (85, 244539921), (255, 81513307), (4349, 4779465), (13047, 1593155), (18743, 1108995), (21745, 955893), (56229, 369665), (65235, 318631), (73933, 281145), (93715, 221799)]