20999694

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22338546

約数列:

[1, 2, 3, 6, 47, 94, 113, 141, 226, 282, 339, 659, 678, 1318, 1977, 3954, 5311, 10622, 15933, 30973, 31866, 61946, 74467, 92919, 148934, 185838, 223401, 446802, 3499949, 6999898, 10499847, 20999694]

約数ペア:

[(1, 20999694), (2, 10499847), (3, 6999898), (6, 3499949), (47, 446802), (94, 223401), (113, 185838), (141, 148934), (226, 92919), (282, 74467), (339, 61946), (659, 31866), (678, 30973), (1318, 15933), (1977, 10622), (3954, 5311)]