20172215555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{17477}}^1$

素因数の和:17903

約数の個数: 32

約数和(自身を含む): 26396534016

約数和(自身を除く): 6224318461

約数列:

[1, 5, 17, 37, 85, 185, 367, 629, 1835, 3145, 6239, 13579, 17477, 31195, 67895, 87385, 230843, 297109, 646649, 1154215, 1485545, 3233245, 6414059, 10993033, 32070295, 54965165, 109039003, 237320183, 545195015, 1186600915, 4034443111, 20172215555]

約数ペア:

[(1, 20172215555), (5, 4034443111), (17, 1186600915), (37, 545195015), (85, 237320183), (185, 109039003), (367, 54965165), (629, 32070295), (1835, 10993033), (3145, 6414059), (6239, 3233245), (13579, 1485545), (17477, 1154215), (31195, 646649), (67895, 297109), (87385, 230843)]