20109474

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1319}}^1$

素因数の和:1356

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34665246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1319, 1386, 1694, 2178, 2541, 2638, 3957, 5082, 7623, 7914, 9233, 11871, 14509, 15246, 18466, 23742, 27699, 29018, 43527, 55398, 83097, 87054, 101563, 130581, 159599, 166194, 203126, 261162, 304689, 319198, 478797, 609378, 914067, 957594, 1117193, 1436391, 1828134, 2234386, 2872782, 3351579, 6703158, 10054737, 20109474]

約数ペア:

[(1, 20109474), (2, 10054737), (3, 6703158), (6, 3351579), (7, 2872782), (9, 2234386), (11, 1828134), (14, 1436391), (18, 1117193), (21, 957594), (22, 914067), (33, 609378), (42, 478797), (63, 319198), (66, 304689), (77, 261162), (99, 203126), (121, 166194), (126, 159599), (154, 130581), (198, 101563), (231, 87054), (242, 83097), (363, 55398), (462, 43527), (693, 29018), (726, 27699), (847, 23742), (1089, 18466), (1319, 15246), (1386, 14509), (1694, 11871), (2178, 9233), (2541, 7914), (2638, 7623), (3957, 5082)]