20289367048

素因数分解:

$2^3\times {\mathrm{18301}}^1\times {\mathrm{138581}}^1$

素因数の和:156888

約数の個数: 16

約数和(自身を含む): 38044916460

約数和(自身を除く): 17755549412

約数列:

[1, 2, 4, 8, 18301, 36602, 73204, 138581, 146408, 277162, 554324, 1108648, 2536170881, 5072341762, 10144683524, 20289367048]

約数ペア:

[(1, 20289367048), (2, 10144683524), (4, 5072341762), (8, 2536170881), (18301, 1108648), (36602, 554324), (73204, 277162), (138581, 146408)]