20175509817

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{4481}}^1\times {\mathrm{21751}}^1$

素因数の和:26261

約数の個数: 24

約数和(自身を含む): 30417648768

約数和(自身を除く): 10242138951

約数列:

[1, 3, 9, 23, 69, 207, 4481, 13443, 21751, 40329, 65253, 103063, 195759, 309189, 500273, 927567, 1500819, 4502457, 97466231, 292398693, 877196079, 2241723313, 6725169939, 20175509817]

約数ペア:

[(1, 20175509817), (3, 6725169939), (9, 2241723313), (23, 877196079), (69, 292398693), (207, 97466231), (4481, 4502457), (13443, 1500819), (21751, 927567), (40329, 500273), (65253, 309189), (103063, 195759)]