20719966

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1867}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 32279040

約数和(自身を除く): 11559074

約数列:

[1, 2, 31, 62, 179, 358, 1867, 3734, 5549, 11098, 57877, 115754, 334193, 668386, 10359983, 20719966]

約数ペア:

[(1, 20719966), (2, 10359983), (31, 668386), (62, 334193), (179, 115754), (358, 57877), (1867, 11098), (3734, 5549)]