20979589534

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1993}}^1\times {\mathrm{4621}}^1$

素因数の和:6700

約数の個数: 32

約数和(自身を含む): 33842136096

約数和(自身を除く): 12862546562

約数列:

[1, 2, 17, 34, 67, 134, 1139, 1993, 2278, 3986, 4621, 9242, 33881, 67762, 78557, 133531, 157114, 267062, 309607, 619214, 2270027, 4540054, 5263319, 9209653, 10526638, 18419306, 156564101, 313128202, 617046751, 1234093502, 10489794767, 20979589534]

約数ペア:

[(1, 20979589534), (2, 10489794767), (17, 1234093502), (34, 617046751), (67, 313128202), (134, 156564101), (1139, 18419306), (1993, 10526638), (2278, 9209653), (3986, 5263319), (4621, 4540054), (9242, 2270027), (33881, 619214), (67762, 309607), (78557, 267062), (133531, 157114)]