20161385404

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{264599}}^1$

素因数の和:265089

約数の個数: 24

約数和(自身を含む): 36184579200

約数和(自身を除く): 16023193796

約数列:

[1, 2, 4, 43, 86, 172, 443, 886, 1772, 19049, 38098, 76196, 264599, 529198, 1058396, 11377757, 22755514, 45511028, 117217357, 234434714, 468869428, 5040346351, 10080692702, 20161385404]

約数ペア:

[(1, 20161385404), (2, 10080692702), (4, 5040346351), (43, 468869428), (86, 234434714), (172, 117217357), (443, 45511028), (886, 22755514), (1772, 11377757), (19049, 1058396), (38098, 529198), (76196, 264599)]