20782344

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78721}}^1$

素因数の和:78741

約数の個数: 32

約数和(自身を含む): 56679840

約数和(自身を除く): 35897496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78721, 157442, 236163, 314884, 472326, 629768, 865931, 944652, 1731862, 1889304, 2597793, 3463724, 5195586, 6927448, 10391172, 20782344]

約数ペア:

[(1, 20782344), (2, 10391172), (3, 6927448), (4, 5195586), (6, 3463724), (8, 2597793), (11, 1889304), (12, 1731862), (22, 944652), (24, 865931), (33, 629768), (44, 472326), (66, 314884), (88, 236163), (132, 157442), (264, 78721)]