20427006

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 41824800

約数和(自身を除く): 21397794

約数列:

[1, 2, 3, 6, 73, 146, 149, 219, 298, 313, 438, 447, 626, 894, 939, 1878, 10877, 21754, 22849, 32631, 45698, 46637, 65262, 68547, 93274, 137094, 139911, 279822, 3404501, 6809002, 10213503, 20427006]

約数ペア:

[(1, 20427006), (2, 10213503), (3, 6809002), (6, 3404501), (73, 279822), (146, 139911), (149, 137094), (219, 93274), (298, 68547), (313, 65262), (438, 46637), (447, 45698), (626, 32631), (894, 22849), (939, 21754), (1878, 10877)]