20157138

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3467}}^1$

素因数の和:3511

約数の個数: 48

約数和(自身を含む): 48690720

約数和(自身を除く): 28533582

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 646, 969, 1938, 2907, 3467, 5814, 6934, 10401, 20802, 31203, 58939, 62406, 65873, 117878, 131746, 176817, 197619, 353634, 395238, 530451, 592857, 1060902, 1119841, 1185714, 2239682, 3359523, 6719046, 10078569, 20157138]

約数ペア:

[(1, 20157138), (2, 10078569), (3, 6719046), (6, 3359523), (9, 2239682), (17, 1185714), (18, 1119841), (19, 1060902), (34, 592857), (38, 530451), (51, 395238), (57, 353634), (102, 197619), (114, 176817), (153, 131746), (171, 117878), (306, 65873), (323, 62406), (342, 58939), (646, 31203), (969, 20802), (1938, 10401), (2907, 6934), (3467, 5814)]