20661569335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1\times {\mathrm{4357}}^1$

素因数の和:5095

約数の個数: 32

約数和(自身を含む): 27280940544

約数和(自身を除く): 6619371209

約数列:

[1, 5, 11, 55, 151, 571, 755, 1661, 2855, 4357, 6281, 8305, 21785, 31405, 47927, 86221, 239635, 431105, 657907, 948431, 2487847, 3289535, 4742155, 7236977, 12439235, 27366317, 36184885, 136831585, 375664897, 1878324485, 4132313867, 20661569335]

約数ペア:

[(1, 20661569335), (5, 4132313867), (11, 1878324485), (55, 375664897), (151, 136831585), (571, 36184885), (755, 27366317), (1661, 12439235), (2855, 7236977), (4357, 4742155), (6281, 3289535), (8305, 2487847), (21785, 948431), (31405, 657907), (47927, 431105), (86221, 239635)]