20900154

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2017}}^1$

素因数の和:2190

約数の個数: 32

約数和(自身を含む): 45913536

約数和(自身を除く): 25013382

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 314, 471, 942, 1727, 2017, 3454, 4034, 5181, 6051, 10362, 12102, 22187, 44374, 66561, 133122, 316669, 633338, 950007, 1900014, 3483359, 6966718, 10450077, 20900154]

約数ペア:

[(1, 20900154), (2, 10450077), (3, 6966718), (6, 3483359), (11, 1900014), (22, 950007), (33, 633338), (66, 316669), (157, 133122), (314, 66561), (471, 44374), (942, 22187), (1727, 12102), (2017, 10362), (3454, 6051), (4034, 5181)]