20149789748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{467773}}^1$

素因数の和:467888

約数の個数: 36

約数和(自身を含む): 39194783460

約数和(自身を除く): 19044993712

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 1958, 3916, 10769, 21538, 43076, 467773, 935546, 1871092, 5145503, 10291006, 20582012, 41631797, 56600533, 83263594, 113201066, 166527188, 226402132, 457949767, 915899534, 1831799068, 5037447437, 10074894874, 20149789748]

約数ペア:

[(1, 20149789748), (2, 10074894874), (4, 5037447437), (11, 1831799068), (22, 915899534), (44, 457949767), (89, 226402132), (121, 166527188), (178, 113201066), (242, 83263594), (356, 56600533), (484, 41631797), (979, 20582012), (1958, 10291006), (3916, 5145503), (10769, 1871092), (21538, 935546), (43076, 467773)]