20790406091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103801}}^1$

素因数の和:103923

約数の個数: 32

約数和(自身を含む): 26785898496

約数和(自身を除く): 5995492405

約数列:

[1, 7, 13, 31, 71, 91, 217, 403, 497, 923, 2201, 2821, 6461, 15407, 28613, 103801, 200291, 726607, 1349413, 3217831, 7369871, 9445891, 22524817, 41831803, 51589097, 95808323, 228466001, 292822621, 670658261, 1599262007, 2970058013, 20790406091]

約数ペア:

[(1, 20790406091), (7, 2970058013), (13, 1599262007), (31, 670658261), (71, 292822621), (91, 228466001), (217, 95808323), (403, 51589097), (497, 41831803), (923, 22524817), (2201, 9445891), (2821, 7369871), (6461, 3217831), (15407, 1349413), (28613, 726607), (103801, 200291)]