20884744

素因数分解:

$2^3\times {\mathrm{41}}^2\times {\mathrm{1553}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 40163130

約数和(自身を除く): 19278386

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1553, 1681, 3106, 3362, 6212, 6724, 12424, 13448, 63673, 127346, 254692, 509384, 2610593, 5221186, 10442372, 20884744]

約数ペア:

[(1, 20884744), (2, 10442372), (4, 5221186), (8, 2610593), (41, 509384), (82, 254692), (164, 127346), (328, 63673), (1553, 13448), (1681, 12424), (3106, 6724), (3362, 6212)]