20736562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 41038272

約数和(自身を除く): 20301710

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 361, 373, 418, 722, 746, 1463, 2527, 2611, 2926, 3971, 4103, 5054, 5222, 7087, 7942, 8206, 14174, 27797, 28721, 49609, 55594, 57442, 77957, 99218, 134653, 155914, 269306, 545699, 942571, 1091398, 1481183, 1885142, 2962366, 10368281, 20736562]

約数ペア:

[(1, 20736562), (2, 10368281), (7, 2962366), (11, 1885142), (14, 1481183), (19, 1091398), (22, 942571), (38, 545699), (77, 269306), (133, 155914), (154, 134653), (209, 99218), (266, 77957), (361, 57442), (373, 55594), (418, 49609), (722, 28721), (746, 27797), (1463, 14174), (2527, 8206), (2611, 7942), (2926, 7087), (3971, 5222), (4103, 5054)]