20908602

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8123}}^1$

素因数の和:8155

約数の個数: 48

約数和(自身を含む): 53228448

約数和(自身を除く): 32319846

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 8123, 16246, 24369, 48738, 73107, 89353, 105599, 146214, 178706, 211198, 268059, 316797, 536118, 633594, 804177, 950391, 1161589, 1608354, 1900782, 2323178, 3484767, 6969534, 10454301, 20908602]

約数ペア:

[(1, 20908602), (2, 10454301), (3, 6969534), (6, 3484767), (9, 2323178), (11, 1900782), (13, 1608354), (18, 1161589), (22, 950391), (26, 804177), (33, 633594), (39, 536118), (66, 316797), (78, 268059), (99, 211198), (117, 178706), (143, 146214), (198, 105599), (234, 89353), (286, 73107), (429, 48738), (858, 24369), (1287, 16246), (2574, 8123)]