20490639192

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{9521}}^1$

素因数の和:10025

約数の個数: 96

約数和(自身を含む): 56416707360

約数和(自身を除く): 35926068168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 421, 426, 568, 639, 842, 852, 1263, 1278, 1684, 1704, 2526, 2556, 3368, 3789, 5052, 5112, 7578, 9521, 10104, 15156, 19042, 28563, 29891, 30312, 38084, 57126, 59782, 76168, 85689, 89673, 114252, 119564, 171378, 179346, 228504, 239128, 269019, 342756, 358692, 538038, 675991, 685512, 717384, 1076076, 1351982, 2027973, 2152152, 2703964, 4008341, 4055946, 5407928, 6083919, 8016682, 8111892, 12025023, 12167838, 16033364, 16223784, 24050046, 24335676, 32066728, 36075069, 48100092, 48671352, 72150138, 96200184, 144300276, 284592211, 288600552, 569184422, 853776633, 1138368844, 1707553266, 2276737688, 2561329899, 3415106532, 5122659798, 6830213064, 10245319596, 20490639192]

約数ペア:

[(1, 20490639192), (2, 10245319596), (3, 6830213064), (4, 5122659798), (6, 3415106532), (8, 2561329899), (9, 2276737688), (12, 1707553266), (18, 1138368844), (24, 853776633), (36, 569184422), (71, 288600552), (72, 284592211), (142, 144300276), (213, 96200184), (284, 72150138), (421, 48671352), (426, 48100092), (568, 36075069), (639, 32066728), (842, 24335676), (852, 24050046), (1263, 16223784), (1278, 16033364), (1684, 12167838), (1704, 12025023), (2526, 8111892), (2556, 8016682), (3368, 6083919), (3789, 5407928), (5052, 4055946), (5112, 4008341), (7578, 2703964), (9521, 2152152), (10104, 2027973), (15156, 1351982), (19042, 1076076), (28563, 717384), (29891, 685512), (30312, 675991), (38084, 538038), (57126, 358692), (59782, 342756), (76168, 269019), (85689, 239128), (89673, 228504), (114252, 179346), (119564, 171378)]