20159069973

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{365419}}^1$

素因数の和:365537

約数の個数: 32

約数和(自身を含む): 31993251840

約数和(自身を除く): 11834181867

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 2627, 7881, 18389, 55167, 365419, 1096257, 2557933, 7673799, 13520503, 25944749, 40561509, 77834247, 94643521, 181613243, 283930563, 544839729, 959955713, 2879867139, 6719689991, 20159069973]

約数ペア:

[(1, 20159069973), (3, 6719689991), (7, 2879867139), (21, 959955713), (37, 544839729), (71, 283930563), (111, 181613243), (213, 94643521), (259, 77834247), (497, 40561509), (777, 25944749), (1491, 13520503), (2627, 7673799), (7881, 2557933), (18389, 1096257), (55167, 365419)]