20166077875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{16447}}^1$

素因数の和:17056

約数の個数: 32

約数和(自身を含む): 26695498752

約数和(自身を除く): 6529420877

約数列:

[1, 5, 17, 25, 85, 125, 425, 577, 2125, 2885, 9809, 14425, 16447, 49045, 72125, 82235, 245225, 279599, 411175, 1226125, 1397995, 2055875, 6989975, 9489919, 34949875, 47449595, 161328623, 237247975, 806643115, 1186239875, 4033215575, 20166077875]

約数ペア:

[(1, 20166077875), (5, 4033215575), (17, 1186239875), (25, 806643115), (85, 237247975), (125, 161328623), (425, 47449595), (577, 34949875), (2125, 9489919), (2885, 6989975), (9809, 2055875), (14425, 1397995), (16447, 1226125), (49045, 411175), (72125, 279599), (82235, 245225)]