20166742

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 31082832

約数和(自身を除く): 10916090

約数列:

[1, 2, 43, 86, 421, 557, 842, 1114, 18103, 23951, 36206, 47902, 234497, 468994, 10083371, 20166742]

約数ペア:

[(1, 20166742), (2, 10083371), (43, 468994), (86, 234497), (421, 47902), (557, 36206), (842, 23951), (1114, 18103)]