20216103397

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{211313}}^1$

素因数の和:211572

約数の個数: 16

約数和(自身を含む): 23531927040

約数和(自身を除く): 3315823643

約数列:

[1, 7, 79, 173, 553, 1211, 13667, 95669, 211313, 1479191, 16693727, 36557149, 116856089, 255900043, 2888014771, 20216103397]

約数ペア:

[(1, 20216103397), (7, 2888014771), (79, 255900043), (173, 116856089), (553, 36557149), (1211, 16693727), (13667, 1479191), (95669, 211313)]