16818020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4357}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 35508984

約数和(自身を除く): 18690964

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 4357, 8714, 17428, 21785, 43570, 87140, 840901, 1681802, 3363604, 4204505, 8409010, 16818020]

約数ペア:

[(1, 16818020), (2, 8409010), (4, 4204505), (5, 3363604), (10, 1681802), (20, 840901), (193, 87140), (386, 43570), (772, 21785), (965, 17428), (1930, 8714), (3860, 4357)]