20128424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81163}}^1$

素因数の和:81200

約数の個数: 16

約数和(自身を含む): 38958720

約数和(自身を除く): 18830296

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81163, 162326, 324652, 649304, 2516053, 5032106, 10064212, 20128424]

約数ペア:

[(1, 20128424), (2, 10064212), (4, 5032106), (8, 2516053), (31, 649304), (62, 324652), (124, 162326), (248, 81163)]