204020005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{13339}}^1$

素因数の和:13393

約数の個数: 32

約数和(自身を含む): 307353600

約数和(自身を除く): 103333595

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 2185, 3059, 13339, 15295, 66695, 93373, 253441, 306797, 466865, 1267205, 1533985, 1774087, 2147579, 5829143, 8870435, 10737895, 29145715, 40804001, 204020005]

約数ペア:

[(1, 204020005), (5, 40804001), (7, 29145715), (19, 10737895), (23, 8870435), (35, 5829143), (95, 2147579), (115, 1774087), (133, 1533985), (161, 1267205), (437, 466865), (665, 306797), (805, 253441), (2185, 93373), (3059, 66695), (13339, 15295)]