20803554

素因数分解:

$2^1\times 3^4\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:752

約数の個数: 40

約数和(自身を含む): 46883628

約数和(自身を除く): 26080074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 281, 457, 562, 843, 914, 1371, 1686, 2529, 2742, 4113, 5058, 7587, 8226, 12339, 15174, 22761, 24678, 37017, 45522, 74034, 128417, 256834, 385251, 770502, 1155753, 2311506, 3467259, 6934518, 10401777, 20803554]

約数ペア:

[(1, 20803554), (2, 10401777), (3, 6934518), (6, 3467259), (9, 2311506), (18, 1155753), (27, 770502), (54, 385251), (81, 256834), (162, 128417), (281, 74034), (457, 45522), (562, 37017), (843, 24678), (914, 22761), (1371, 15174), (1686, 12339), (2529, 8226), (2742, 7587), (4113, 5058)]