20830122

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1896

約数の個数: 40

約数和(自身を含む): 47358432

約数和(自身を除く): 26528310

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1811, 1917, 3622, 3834, 5433, 5751, 10866, 11502, 16299, 32598, 48897, 97794, 128581, 146691, 257162, 293382, 385743, 771486, 1157229, 2314458, 3471687, 6943374, 10415061, 20830122]

約数ペア:

[(1, 20830122), (2, 10415061), (3, 6943374), (6, 3471687), (9, 2314458), (18, 1157229), (27, 771486), (54, 385743), (71, 293382), (81, 257162), (142, 146691), (162, 128581), (213, 97794), (426, 48897), (639, 32598), (1278, 16299), (1811, 11502), (1917, 10866), (3622, 5751), (3834, 5433)]