20865643995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{239711}}^1$

素因数の和:240555

約数の個数: 32

約数和(自身を含む): 38200504320

約数和(自身を除く): 17334860325

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 829, 2487, 4145, 5803, 12435, 17409, 29015, 87045, 239711, 719133, 1198555, 1677977, 3595665, 5033931, 8389885, 25169655, 198720419, 596161257, 993602095, 1391042933, 2980806285, 4173128799, 6955214665, 20865643995]

約数ペア:

[(1, 20865643995), (3, 6955214665), (5, 4173128799), (7, 2980806285), (15, 1391042933), (21, 993602095), (35, 596161257), (105, 198720419), (829, 25169655), (2487, 8389885), (4145, 5033931), (5803, 3595665), (12435, 1677977), (17409, 1198555), (29015, 719133), (87045, 239711)]