20195818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5521}}^1$

素因数の和:5613

約数の個数: 16

約数和(自身を含む): 31806720

約数和(自身を除く): 11610902

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5521, 11042, 171151, 325739, 342302, 651478, 10097909, 20195818]

約数ペア:

[(1, 20195818), (2, 10097909), (31, 651478), (59, 342302), (62, 325739), (118, 171151), (1829, 11042), (3658, 5521)]