20810208

素因数分解:

$2^5\times 3^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 54915840

約数和(自身を除く): 34105632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 239, 478, 717, 907, 956, 1434, 1814, 1912, 2721, 2868, 3628, 3824, 5442, 5736, 7256, 7648, 10884, 11472, 14512, 21768, 22944, 29024, 43536, 87072, 216773, 433546, 650319, 867092, 1300638, 1734184, 2601276, 3468368, 5202552, 6936736, 10405104, 20810208]

約数ペア:

[(1, 20810208), (2, 10405104), (3, 6936736), (4, 5202552), (6, 3468368), (8, 2601276), (12, 1734184), (16, 1300638), (24, 867092), (32, 650319), (48, 433546), (96, 216773), (239, 87072), (478, 43536), (717, 29024), (907, 22944), (956, 21768), (1434, 14512), (1814, 11472), (1912, 10884), (2721, 7648), (2868, 7256), (3628, 5736), (3824, 5442)]