20407799789

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{1531}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 23215315200

約数和(自身を除く): 2807515411

約数列:

[1, 13, 23, 109, 299, 409, 1417, 1531, 2507, 5317, 9407, 19903, 32591, 35213, 44581, 122291, 166879, 457769, 579553, 626179, 1025363, 2169427, 3838217, 8140327, 13329719, 14402117, 49896821, 68253511, 187227521, 887295643, 1569830753, 20407799789]

約数ペア:

[(1, 20407799789), (13, 1569830753), (23, 887295643), (109, 187227521), (299, 68253511), (409, 49896821), (1417, 14402117), (1531, 13329719), (2507, 8140327), (5317, 3838217), (9407, 2169427), (19903, 1025363), (32591, 626179), (35213, 579553), (44581, 457769), (122291, 166879)]