20228218624

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{622177}}^1$

素因数の和:622320

約数の個数: 36

約数和(自身を含む): 40695418624

約数和(自身を除く): 20467200000

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 32512, 622177, 1244354, 2488708, 4977416, 9954832, 19909664, 39819328, 79016479, 79638656, 158032958, 159277312, 316065916, 632131832, 1264263664, 2528527328, 5057054656, 10114109312, 20228218624]

約数ペア:

[(1, 20228218624), (2, 10114109312), (4, 5057054656), (8, 2528527328), (16, 1264263664), (32, 632131832), (64, 316065916), (127, 159277312), (128, 158032958), (254, 79638656), (256, 79016479), (508, 39819328), (1016, 19909664), (2032, 9954832), (4064, 4977416), (8128, 2488708), (16256, 1244354), (32512, 622177)]