20163325287

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{287731}}^1$

素因数の和:287859

約数の個数: 32

約数和(自身を含む): 31820857344

約数和(自身を除く): 11657532057

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 497, 987, 1491, 3337, 10011, 23359, 70077, 287731, 863193, 2014117, 6042351, 13523357, 20428901, 40570071, 61286703, 94663499, 143002307, 283990497, 429006921, 960158347, 2880475041, 6721108429, 20163325287]

約数ペア:

[(1, 20163325287), (3, 6721108429), (7, 2880475041), (21, 960158347), (47, 429006921), (71, 283990497), (141, 143002307), (213, 94663499), (329, 61286703), (497, 40570071), (987, 20428901), (1491, 13523357), (3337, 6042351), (10011, 2014117), (23359, 863193), (70077, 287731)]