20831358

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23647362

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 131, 262, 393, 786, 1559, 2227, 3118, 4454, 4677, 6681, 9354, 13362, 26503, 53006, 79509, 159018, 204229, 408458, 612687, 1225374, 3471893, 6943786, 10415679, 20831358]

約数ペア:

[(1, 20831358), (2, 10415679), (3, 6943786), (6, 3471893), (17, 1225374), (34, 612687), (51, 408458), (102, 204229), (131, 159018), (262, 79509), (393, 53006), (786, 26503), (1559, 13362), (2227, 9354), (3118, 6681), (4454, 4677)]