20316402144

素因数分解:

$2^5\times 3^2\times {\mathrm{431}}^1\times {\mathrm{163673}}^1$

素因数の和:164120

約数の個数: 72

約数和(自身を含む): 57909170592

約数和(自身を除く): 37592768448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 431, 862, 1293, 1724, 2586, 3448, 3879, 5172, 6896, 7758, 10344, 13792, 15516, 20688, 31032, 41376, 62064, 124128, 163673, 327346, 491019, 654692, 982038, 1309384, 1473057, 1964076, 2618768, 2946114, 3928152, 5237536, 5892228, 7856304, 11784456, 15712608, 23568912, 47137824, 70543063, 141086126, 211629189, 282172252, 423258378, 564344504, 634887567, 846516756, 1128689008, 1269775134, 1693033512, 2257378016, 2539550268, 3386067024, 5079100536, 6772134048, 10158201072, 20316402144]

約数ペア:

[(1, 20316402144), (2, 10158201072), (3, 6772134048), (4, 5079100536), (6, 3386067024), (8, 2539550268), (9, 2257378016), (12, 1693033512), (16, 1269775134), (18, 1128689008), (24, 846516756), (32, 634887567), (36, 564344504), (48, 423258378), (72, 282172252), (96, 211629189), (144, 141086126), (288, 70543063), (431, 47137824), (862, 23568912), (1293, 15712608), (1724, 11784456), (2586, 7856304), (3448, 5892228), (3879, 5237536), (5172, 3928152), (6896, 2946114), (7758, 2618768), (10344, 1964076), (13792, 1473057), (15516, 1309384), (20688, 982038), (31032, 654692), (41376, 491019), (62064, 327346), (124128, 163673)]