20164996885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{71483}}^1$

素因数の和:71745

約数の個数: 32

約数和(自身を含む): 27669454848

約数和(自身を除く): 7504457963

約数列:

[1, 5, 11, 23, 55, 115, 223, 253, 1115, 1265, 2453, 5129, 12265, 25645, 56419, 71483, 282095, 357415, 786313, 1644109, 3931565, 8220545, 15940709, 18085199, 79703545, 90425995, 175347799, 366636307, 876738995, 1833181535, 4032999377, 20164996885]

約数ペア:

[(1, 20164996885), (5, 4032999377), (11, 1833181535), (23, 876738995), (55, 366636307), (115, 175347799), (223, 90425995), (253, 79703545), (1115, 18085199), (1265, 15940709), (2453, 8220545), (5129, 3931565), (12265, 1644109), (25645, 786313), (56419, 357415), (71483, 282095)]