20008909543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1\times {\mathrm{2383}}^1$

素因数の和:4351

約数の個数: 32

約数和(自身を含む): 24890333184

約数和(自身を除く): 4881423641

約数列:

[1, 7, 17, 37, 119, 259, 629, 1907, 2383, 4403, 13349, 16681, 32419, 40511, 70559, 88171, 226933, 283577, 493913, 617197, 1199503, 1498907, 4544381, 8396521, 10492349, 31810667, 77254477, 168142097, 540781339, 1176994679, 2858415649, 20008909543]

約数ペア:

[(1, 20008909543), (7, 2858415649), (17, 1176994679), (37, 540781339), (119, 168142097), (259, 77254477), (629, 31810667), (1907, 10492349), (2383, 8396521), (4403, 4544381), (13349, 1498907), (16681, 1199503), (32419, 617197), (40511, 493913), (70559, 283577), (88171, 226933)]