20434768

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21647}}^1$

素因数の和:21714

約数の個数: 20

約数和(自身を含む): 40265280

約数和(自身を除く): 19830512

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21647, 43294, 86588, 173176, 346352, 1277173, 2554346, 5108692, 10217384, 20434768]

約数ペア:

[(1, 20434768), (2, 10217384), (4, 5108692), (8, 2554346), (16, 1277173), (59, 346352), (118, 173176), (236, 86588), (472, 43294), (944, 21647)]