20287782

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 46715760

約数和(自身を除く): 26427978

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 433, 822, 866, 1233, 1299, 2466, 2598, 2603, 3897, 5206, 7794, 7809, 8227, 15618, 16454, 23427, 24681, 46854, 49362, 59321, 74043, 118642, 148086, 177963, 355926, 533889, 1067778, 1127099, 2254198, 3381297, 6762594, 10143891, 20287782]

約数ペア:

[(1, 20287782), (2, 10143891), (3, 6762594), (6, 3381297), (9, 2254198), (18, 1127099), (19, 1067778), (38, 533889), (57, 355926), (114, 177963), (137, 148086), (171, 118642), (274, 74043), (342, 59321), (411, 49362), (433, 46854), (822, 24681), (866, 23427), (1233, 16454), (1299, 15618), (2466, 8227), (2598, 7809), (2603, 7794), (3897, 5206)]