20499768

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2819}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 56089800

約数和(自身を除く): 35590032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2819, 3636, 5638, 7272, 8457, 11276, 16914, 22552, 25371, 33828, 50742, 67656, 101484, 202968, 284719, 569438, 854157, 1138876, 1708314, 2277752, 2562471, 3416628, 5124942, 6833256, 10249884, 20499768]

約数ペア:

[(1, 20499768), (2, 10249884), (3, 6833256), (4, 5124942), (6, 3416628), (8, 2562471), (9, 2277752), (12, 1708314), (18, 1138876), (24, 854157), (36, 569438), (72, 284719), (101, 202968), (202, 101484), (303, 67656), (404, 50742), (606, 33828), (808, 25371), (909, 22552), (1212, 16914), (1818, 11276), (2424, 8457), (2819, 7272), (3636, 5638)]