20257048

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5399}}^1$

素因数の和:5479

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 23806952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5399, 10798, 21596, 37793, 43192, 75586, 151172, 302344, 361733, 723466, 1446932, 2532131, 2893864, 5064262, 10128524, 20257048]

約数ペア:

[(1, 20257048), (2, 10128524), (4, 5064262), (7, 2893864), (8, 2532131), (14, 1446932), (28, 723466), (56, 361733), (67, 302344), (134, 151172), (268, 75586), (469, 43192), (536, 37793), (938, 21596), (1876, 10798), (3752, 5399)]