20765388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5749}}^1$

素因数の和:5806

約数の個数: 48

約数和(自身を含む): 56672000

約数和(自身を除く): 35906612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5749, 11498, 17247, 22996, 34494, 40243, 68988, 80486, 120729, 160972, 241458, 247207, 482916, 494414, 741621, 988828, 1483242, 1730449, 2966484, 3460898, 5191347, 6921796, 10382694, 20765388]

約数ペア:

[(1, 20765388), (2, 10382694), (3, 6921796), (4, 5191347), (6, 3460898), (7, 2966484), (12, 1730449), (14, 1483242), (21, 988828), (28, 741621), (42, 494414), (43, 482916), (84, 247207), (86, 241458), (129, 160972), (172, 120729), (258, 80486), (301, 68988), (516, 40243), (602, 34494), (903, 22996), (1204, 17247), (1806, 11498), (3612, 5749)]