20193359431

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{4349}}^1$

素因数の和:4731

約数の個数: 32

約数和(自身を含む): 24241680000

約数和(自身を除く): 4048320569

約数列:

[1, 7, 29, 89, 203, 257, 623, 1799, 2581, 4349, 7453, 18067, 22873, 30443, 52171, 126121, 160111, 387061, 663317, 882847, 1117693, 2709427, 4643219, 7823851, 11224769, 32413097, 78573383, 99474677, 226891679, 696322739, 2884765633, 20193359431]

約数ペア:

[(1, 20193359431), (7, 2884765633), (29, 696322739), (89, 226891679), (203, 99474677), (257, 78573383), (623, 32413097), (1799, 11224769), (2581, 7823851), (4349, 4643219), (7453, 2709427), (18067, 1117693), (22873, 882847), (30443, 663317), (52171, 387061), (126121, 160111)]