20707884239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{4903}}^1$

素因数の和:5679

約数の個数: 32

約数和(自身を含む): 25403504640

約数和(自身を除く): 4695620401

約数列:

[1, 7, 23, 37, 161, 259, 709, 851, 4903, 4963, 5957, 16307, 26233, 34321, 112769, 114149, 181411, 183631, 603359, 789383, 1269877, 3476227, 4172453, 4223513, 24333589, 29207171, 79953221, 128620399, 559672547, 900342793, 2958269177, 20707884239]

約数ペア:

[(1, 20707884239), (7, 2958269177), (23, 900342793), (37, 559672547), (161, 128620399), (259, 79953221), (709, 29207171), (851, 24333589), (4903, 4223513), (4963, 4172453), (5957, 3476227), (16307, 1269877), (26233, 789383), (34321, 603359), (112769, 183631), (114149, 181411)]