20879268

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4339}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 48851040

約数和(自身を除く): 27971772

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4339, 4812, 8678, 13017, 17356, 26034, 52068, 1739939, 3479878, 5219817, 6959756, 10439634, 20879268]

約数ペア:

[(1, 20879268), (2, 10439634), (3, 6959756), (4, 5219817), (6, 3479878), (12, 1739939), (401, 52068), (802, 26034), (1203, 17356), (1604, 13017), (2406, 8678), (4339, 4812)]