20161971372

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{16619}}^1$

素因数の和:16975

約数の個数: 96

約数和(自身を含む): 52604294400

約数和(自身を除く): 32442323028

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 313, 323, 626, 646, 939, 969, 1252, 1292, 1878, 1938, 3756, 3876, 5321, 5947, 10642, 11894, 15963, 16619, 17841, 21284, 23788, 31926, 33238, 35682, 49857, 63852, 66476, 71364, 99714, 101099, 199428, 202198, 282523, 303297, 315761, 404396, 565046, 606594, 631522, 847569, 947283, 1130092, 1213188, 1263044, 1695138, 1894566, 3390276, 3789132, 5201747, 5367937, 10403494, 10735874, 15605241, 16103811, 20806988, 21471748, 31210482, 32207622, 62420964, 64415244, 88429699, 98833193, 176859398, 197666386, 265289097, 296499579, 353718796, 395332772, 530578194, 592999158, 1061156388, 1185998316, 1680164281, 3360328562, 5040492843, 6720657124, 10080985686, 20161971372]

約数ペア:

[(1, 20161971372), (2, 10080985686), (3, 6720657124), (4, 5040492843), (6, 3360328562), (12, 1680164281), (17, 1185998316), (19, 1061156388), (34, 592999158), (38, 530578194), (51, 395332772), (57, 353718796), (68, 296499579), (76, 265289097), (102, 197666386), (114, 176859398), (204, 98833193), (228, 88429699), (313, 64415244), (323, 62420964), (626, 32207622), (646, 31210482), (939, 21471748), (969, 20806988), (1252, 16103811), (1292, 15605241), (1878, 10735874), (1938, 10403494), (3756, 5367937), (3876, 5201747), (5321, 3789132), (5947, 3390276), (10642, 1894566), (11894, 1695138), (15963, 1263044), (16619, 1213188), (17841, 1130092), (21284, 947283), (23788, 847569), (31926, 631522), (33238, 606594), (35682, 565046), (49857, 404396), (63852, 315761), (66476, 303297), (71364, 282523), (99714, 202198), (101099, 199428)]