20291782

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2621}}^1$

素因数の和:2716

約数の個数: 24

約数和(自身を含む): 35868960

約数和(自身を除く): 15577178

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2621, 3871, 5242, 7742, 18347, 36694, 128429, 207059, 256858, 414118, 1449413, 2898826, 10145891, 20291782]

約数ペア:

[(1, 20291782), (2, 10145891), (7, 2898826), (14, 1449413), (49, 414118), (79, 256858), (98, 207059), (158, 128429), (553, 36694), (1106, 18347), (2621, 7742), (3871, 5242)]