20049084

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 55783728

約数和(自身を除く): 35734644

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 257, 394, 396, 514, 591, 771, 788, 1028, 1182, 1542, 1773, 2167, 2313, 2364, 2827, 3084, 3546, 4334, 4626, 5654, 6501, 7092, 8481, 8668, 9252, 11308, 13002, 16962, 19503, 25443, 26004, 33924, 39006, 50629, 50886, 78012, 101258, 101772, 151887, 202516, 303774, 455661, 556919, 607548, 911322, 1113838, 1670757, 1822644, 2227676, 3341514, 5012271, 6683028, 10024542, 20049084]

約数ペア:

[(1, 20049084), (2, 10024542), (3, 6683028), (4, 5012271), (6, 3341514), (9, 2227676), (11, 1822644), (12, 1670757), (18, 1113838), (22, 911322), (33, 607548), (36, 556919), (44, 455661), (66, 303774), (99, 202516), (132, 151887), (197, 101772), (198, 101258), (257, 78012), (394, 50886), (396, 50629), (514, 39006), (591, 33924), (771, 26004), (788, 25443), (1028, 19503), (1182, 16962), (1542, 13002), (1773, 11308), (2167, 9252), (2313, 8668), (2364, 8481), (2827, 7092), (3084, 6501), (3546, 5654), (4334, 4626)]