20287384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195071}}^1$

素因数の和:195090

約数の個数: 16

約数和(自身を含む): 40965120

約数和(自身を除く): 20677736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195071, 390142, 780284, 1560568, 2535923, 5071846, 10143692, 20287384]

約数ペア:

[(1, 20287384), (2, 10143692), (4, 5071846), (8, 2535923), (13, 1560568), (26, 780284), (52, 390142), (104, 195071)]