20797060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26377340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1559, 2668, 3118, 3335, 6236, 6670, 7795, 13340, 15590, 31180, 35857, 45211, 71714, 90422, 143428, 179285, 180844, 226055, 358570, 452110, 717140, 904220, 1039853, 2079706, 4159412, 5199265, 10398530, 20797060]

約数ペア:

[(1, 20797060), (2, 10398530), (4, 5199265), (5, 4159412), (10, 2079706), (20, 1039853), (23, 904220), (29, 717140), (46, 452110), (58, 358570), (92, 226055), (115, 180844), (116, 179285), (145, 143428), (230, 90422), (290, 71714), (460, 45211), (580, 35857), (667, 31180), (1334, 15590), (1559, 13340), (2668, 7795), (3118, 6670), (3335, 6236)]