20078903380

素因数分解:

$2^2\times 5^1\times {\mathrm{4159}}^1\times {\mathrm{241391}}^1$

素因数の和:245559

約数の個数: 24

約数和(自身を含む): 42176010240

約数和(自身を除く): 22097106860

約数列:

[1, 2, 4, 5, 10, 20, 4159, 8318, 16636, 20795, 41590, 83180, 241391, 482782, 965564, 1206955, 2413910, 4827820, 1003945169, 2007890338, 4015780676, 5019725845, 10039451690, 20078903380]

約数ペア:

[(1, 20078903380), (2, 10039451690), (4, 5019725845), (5, 4015780676), (10, 2007890338), (20, 1003945169), (4159, 4827820), (8318, 2413910), (16636, 1206955), (20795, 965564), (41590, 482782), (83180, 241391)]