20768711047

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{305023}}^1$

素因数の和:305238

約数の個数: 16

約数和(自身を含む): 24245747712

約数和(自身を除く): 3477036665

約数列:

[1, 7, 71, 137, 497, 959, 9727, 68089, 305023, 2135161, 21656633, 41788151, 151596431, 292517057, 2966958721, 20768711047]

約数ペア:

[(1, 20768711047), (7, 2966958721), (71, 292517057), (137, 151596431), (497, 41788151), (959, 21656633), (9727, 2135161), (68089, 305023)]