20131867581

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1\times {\mathrm{15493}}^1$

素因数の和:16985

約数の個数: 32

約数和(自身を含む): 31414394880

約数和(自身を除く): 11282527299

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1439, 4317, 10073, 15493, 30219, 46479, 61877, 108451, 185631, 325353, 433139, 666199, 1299417, 1998597, 4663393, 13990179, 22294427, 66883281, 156060989, 468182967, 958660361, 2875981083, 6710622527, 20131867581]

約数ペア:

[(1, 20131867581), (3, 6710622527), (7, 2875981083), (21, 958660361), (43, 468182967), (129, 156060989), (301, 66883281), (903, 22294427), (1439, 13990179), (4317, 4663393), (10073, 1998597), (15493, 1299417), (30219, 666199), (46479, 433139), (61877, 325353), (108451, 185631)]