20193918

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2699}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22574082

約数列:

[1, 2, 3, 6, 29, 43, 58, 86, 87, 129, 174, 258, 1247, 2494, 2699, 3741, 5398, 7482, 8097, 16194, 78271, 116057, 156542, 232114, 234813, 348171, 469626, 696342, 3365653, 6731306, 10096959, 20193918]

約数ペア:

[(1, 20193918), (2, 10096959), (3, 6731306), (6, 3365653), (29, 696342), (43, 469626), (58, 348171), (86, 234813), (87, 232114), (129, 156542), (174, 116057), (258, 78271), (1247, 16194), (2494, 8097), (2699, 7482), (3741, 5398)]