20434816

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9391}}^1$

素因数の和:9422

約数の個数: 32

約数和(自身を含む): 43109280

約数和(自身を除く): 22674464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9391, 18782, 37564, 75128, 150256, 159647, 300512, 319294, 601024, 638588, 1202048, 1277176, 2554352, 5108704, 10217408, 20434816]

約数ペア:

[(1, 20434816), (2, 10217408), (4, 5108704), (8, 2554352), (16, 1277176), (17, 1202048), (32, 638588), (34, 601024), (64, 319294), (68, 300512), (128, 159647), (136, 150256), (272, 75128), (544, 37564), (1088, 18782), (2176, 9391)]