20120460129

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{61643}}^1$

素因数の和:61827

約数の個数: 64

約数和(自身を含む): 37400647680

約数和(自身を除く): 17280187551

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 157, 189, 231, 297, 471, 693, 1099, 1413, 1727, 2079, 3297, 4239, 5181, 9891, 12089, 15543, 29673, 36267, 46629, 61643, 108801, 184929, 326403, 431501, 554787, 678073, 1294503, 1664361, 2034219, 3883509, 4746511, 6102657, 9677951, 11650527, 14239533, 18307971, 29033853, 42718599, 67745657, 87101559, 106457461, 128155797, 203236971, 261304677, 319372383, 609710913, 745202227, 958117149, 1829132739, 2235606681, 2874351447, 6706820043, 20120460129]

約数ペア:

[(1, 20120460129), (3, 6706820043), (7, 2874351447), (9, 2235606681), (11, 1829132739), (21, 958117149), (27, 745202227), (33, 609710913), (63, 319372383), (77, 261304677), (99, 203236971), (157, 128155797), (189, 106457461), (231, 87101559), (297, 67745657), (471, 42718599), (693, 29033853), (1099, 18307971), (1413, 14239533), (1727, 11650527), (2079, 9677951), (3297, 6102657), (4239, 4746511), (5181, 3883509), (9891, 2034219), (12089, 1664361), (15543, 1294503), (29673, 678073), (36267, 554787), (46629, 431501), (61643, 326403), (108801, 184929)]