20144019

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 31682560

約数和(自身を除く): 11538541

約数列:

[1, 3, 7, 21, 67, 103, 139, 201, 309, 417, 469, 721, 973, 1407, 2163, 2919, 6901, 9313, 14317, 20703, 27939, 42951, 48307, 65191, 100219, 144921, 195573, 300657, 959239, 2877717, 6714673, 20144019]

約数ペア:

[(1, 20144019), (3, 6714673), (7, 2877717), (21, 959239), (67, 300657), (103, 195573), (139, 144921), (201, 100219), (309, 65191), (417, 48307), (469, 42951), (721, 27939), (973, 20703), (1407, 14317), (2163, 9313), (2919, 6901)]