20179876865

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{74203}}^1$

素因数の和:74816

約数の個数: 16

約数和(自身を含む): 24487320000

約数和(自身を除く): 4307443135

約数列:

[1, 5, 109, 499, 545, 2495, 54391, 74203, 271955, 371015, 8088127, 37027297, 40440635, 185136485, 4035975373, 20179876865]

約数ペア:

[(1, 20179876865), (5, 4035975373), (109, 185136485), (499, 40440635), (545, 37027297), (2495, 8088127), (54391, 371015), (74203, 271955)]