20578838

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24097}}^1$

素因数の和:24167

約数の個数: 16

約数和(自身を含む): 35857824

約数和(自身を除く): 15278986

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24097, 48194, 168679, 337358, 1469917, 2939834, 10289419, 20578838]

約数ペア:

[(1, 20578838), (2, 10289419), (7, 2939834), (14, 1469917), (61, 337358), (122, 168679), (427, 48194), (854, 24097)]