20494692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^3\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 55342560

約数和(自身を除く): 34847868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 361, 498, 684, 722, 747, 996, 1083, 1444, 1494, 1577, 2166, 2988, 3154, 3249, 4332, 4731, 6308, 6498, 6859, 9462, 12996, 13718, 14193, 18924, 20577, 27436, 28386, 29963, 41154, 56772, 59926, 61731, 82308, 89889, 119852, 123462, 179778, 246924, 269667, 359556, 539334, 569297, 1078668, 1138594, 1707891, 2277188, 3415782, 5123673, 6831564, 10247346, 20494692]

約数ペア:

[(1, 20494692), (2, 10247346), (3, 6831564), (4, 5123673), (6, 3415782), (9, 2277188), (12, 1707891), (18, 1138594), (19, 1078668), (36, 569297), (38, 539334), (57, 359556), (76, 269667), (83, 246924), (114, 179778), (166, 123462), (171, 119852), (228, 89889), (249, 82308), (332, 61731), (342, 59926), (361, 56772), (498, 41154), (684, 29963), (722, 28386), (747, 27436), (996, 20577), (1083, 18924), (1444, 14193), (1494, 13718), (1577, 12996), (2166, 9462), (2988, 6859), (3154, 6498), (3249, 6308), (4332, 4731)]