20760040912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1263391}}^1$

素因数の和:1263491

約数の個数: 40

約数和(自身を含む): 43864970240

約数和(自身を除く): 23104929328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 16432, 1263391, 2526782, 5053564, 10107128, 16424083, 20214256, 32848166, 65696332, 99807889, 131392664, 199615778, 262785328, 399231556, 798463112, 1297502557, 1596926224, 2595005114, 5190010228, 10380020456, 20760040912]

約数ペア:

[(1, 20760040912), (2, 10380020456), (4, 5190010228), (8, 2595005114), (13, 1596926224), (16, 1297502557), (26, 798463112), (52, 399231556), (79, 262785328), (104, 199615778), (158, 131392664), (208, 99807889), (316, 65696332), (632, 32848166), (1027, 20214256), (1264, 16424083), (2054, 10107128), (4108, 5053564), (8216, 2526782), (16432, 1263391)]