20147843979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{4549}}^1$

素因数の和:5072

約数の個数: 48

約数和(自身を含む): 31231200000

約数和(自身を除く): 11083356021

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 439, 531, 1121, 1317, 3363, 3951, 4549, 8341, 10089, 13647, 25023, 25901, 40941, 75069, 77703, 86431, 233109, 259293, 268391, 492119, 777879, 805173, 1476357, 1997011, 2415519, 4429071, 5099429, 5991033, 15298287, 17973099, 37943209, 45894861, 113829627, 117823649, 341488881, 353470947, 1060412841, 2238649331, 6715947993, 20147843979]

約数ペア:

[(1, 20147843979), (3, 6715947993), (9, 2238649331), (19, 1060412841), (57, 353470947), (59, 341488881), (171, 117823649), (177, 113829627), (439, 45894861), (531, 37943209), (1121, 17973099), (1317, 15298287), (3363, 5991033), (3951, 5099429), (4549, 4429071), (8341, 2415519), (10089, 1997011), (13647, 1476357), (25023, 805173), (25901, 777879), (40941, 492119), (75069, 268391), (77703, 259293), (86431, 233109)]