20189930691

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{163147}}^1$

素因数の和:163311

約数の個数: 32

約数和(自身を含む): 31575011328

約数和(自身を除く): 11385080637

約数列:

[1, 3, 7, 21, 71, 83, 213, 249, 497, 581, 1491, 1743, 5893, 17679, 41251, 123753, 163147, 489441, 1142029, 3426087, 11583437, 13541201, 34750311, 40623603, 81084059, 94788407, 243252177, 284365221, 961425271, 2884275813, 6729976897, 20189930691]

約数ペア:

[(1, 20189930691), (3, 6729976897), (7, 2884275813), (21, 961425271), (71, 284365221), (83, 243252177), (213, 94788407), (249, 81084059), (497, 40623603), (581, 34750311), (1491, 13541201), (1743, 11583437), (5893, 3426087), (17679, 1142029), (41251, 489441), (123753, 163147)]