20131989171

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{178889}}^1$

素因数の和:179155

約数の個数: 32

約数和(自身を含む): 32148679680

約数和(自身を除く): 12016690509

約数列:

[1, 3, 7, 21, 23, 69, 161, 233, 483, 699, 1631, 4893, 5359, 16077, 37513, 112539, 178889, 536667, 1252223, 3756669, 4114447, 12343341, 28801129, 41681137, 86403387, 125043411, 291767959, 875303877, 958666151, 2875998453, 6710663057, 20131989171]

約数ペア:

[(1, 20131989171), (3, 6710663057), (7, 2875998453), (21, 958666151), (23, 875303877), (69, 291767959), (161, 125043411), (233, 86403387), (483, 41681137), (699, 28801129), (1631, 12343341), (4893, 4114447), (5359, 3756669), (16077, 1252223), (37513, 536667), (112539, 178889)]