20424481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26790912

約数和(自身を除く): 6366431

約数列:

[1, 7, 11, 37, 67, 77, 107, 259, 407, 469, 737, 749, 1177, 2479, 2849, 3959, 5159, 7169, 8239, 17353, 27269, 27713, 43549, 50183, 78859, 190883, 265253, 304843, 552013, 1856771, 2917783, 20424481]

約数ペア:

[(1, 20424481), (7, 2917783), (11, 1856771), (37, 552013), (67, 304843), (77, 265253), (107, 190883), (259, 78859), (407, 50183), (469, 43549), (737, 27713), (749, 27269), (1177, 17353), (2479, 8239), (2849, 7169), (3959, 5159)]