20171318839

素因数分解:

$7^1\times {\mathrm{17}}^3\times {\mathrm{109}}^1\times {\mathrm{5381}}^1$

素因数の和:5548

約数の個数: 32

約数和(自身を含む): 24722755200

約数和(自身を除く): 4551436361

約数列:

[1, 7, 17, 109, 119, 289, 763, 1853, 2023, 4913, 5381, 12971, 31501, 34391, 37667, 91477, 220507, 535517, 586529, 640339, 1555109, 3748619, 4105703, 9970993, 10885763, 26436853, 69796951, 169506881, 185057971, 1186548167, 2881616977, 20171318839]

約数ペア:

[(1, 20171318839), (7, 2881616977), (17, 1186548167), (109, 185057971), (119, 169506881), (289, 69796951), (763, 26436853), (1853, 10885763), (2023, 9970993), (4913, 4105703), (5381, 3748619), (12971, 1555109), (31501, 640339), (34391, 586529), (37667, 535517), (91477, 220507)]