20199695354

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{2269}}^1$

素因数の和:2898

約数の個数: 32

約数和(自身を含む): 30979779600

約数和(自身を除く): 10780084246

約数列:

[1, 2, 97, 109, 194, 218, 421, 842, 2269, 4538, 10573, 21146, 40837, 45889, 81674, 91778, 220093, 247321, 440186, 494642, 955249, 1910498, 4451233, 8902466, 23990137, 47980274, 92659153, 104122141, 185318306, 208244282, 10099847677, 20199695354]

約数ペア:

[(1, 20199695354), (2, 10099847677), (97, 208244282), (109, 185318306), (194, 104122141), (218, 92659153), (421, 47980274), (842, 23990137), (2269, 8902466), (4538, 4451233), (10573, 1910498), (21146, 955249), (40837, 494642), (45889, 440186), (81674, 247321), (91778, 220093)]