20696526

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{787}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 46145280

約数和(自身を除く): 25448754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 787, 974, 1461, 1574, 2361, 2922, 4383, 4722, 7083, 8766, 13149, 14166, 21249, 26298, 42498, 383269, 766538, 1149807, 2299614, 3449421, 6898842, 10348263, 20696526]

約数ペア:

[(1, 20696526), (2, 10348263), (3, 6898842), (6, 3449421), (9, 2299614), (18, 1149807), (27, 766538), (54, 383269), (487, 42498), (787, 26298), (974, 21249), (1461, 14166), (1574, 13149), (2361, 8766), (2922, 7083), (4383, 4722)]