20721144

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{27851}}^1$

素因数の和:27891

約数の個数: 32

約数和(自身を含む): 53475840

約数和(自身を除く): 32754696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 27851, 55702, 83553, 111404, 167106, 222808, 334212, 668424, 863381, 1726762, 2590143, 3453524, 5180286, 6907048, 10360572, 20721144]

約数ペア:

[(1, 20721144), (2, 10360572), (3, 6907048), (4, 5180286), (6, 3453524), (8, 2590143), (12, 1726762), (24, 863381), (31, 668424), (62, 334212), (93, 222808), (124, 167106), (186, 111404), (248, 83553), (372, 55702), (744, 27851)]