20478776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48299}}^1$

素因数の和:48358

約数の個数: 16

約数和(自身を含む): 39123000

約数和(自身を除く): 18644224

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48299, 96598, 193196, 386392, 2559847, 5119694, 10239388, 20478776]

約数ペア:

[(1, 20478776), (2, 10239388), (4, 5119694), (8, 2559847), (53, 386392), (106, 193196), (212, 96598), (424, 48299)]