20499822

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8563}}^1$

素因数の和:8597

約数の個数: 48

約数和(自身を含む): 53439360

約数和(自身を除く): 32939538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8563, 17126, 25689, 51378, 59941, 77067, 119882, 154134, 162697, 179823, 325394, 359646, 488091, 539469, 976182, 1078938, 1138879, 1464273, 2277758, 2928546, 3416637, 6833274, 10249911, 20499822]

約数ペア:

[(1, 20499822), (2, 10249911), (3, 6833274), (6, 3416637), (7, 2928546), (9, 2277758), (14, 1464273), (18, 1138879), (19, 1078938), (21, 976182), (38, 539469), (42, 488091), (57, 359646), (63, 325394), (114, 179823), (126, 162697), (133, 154134), (171, 119882), (266, 77067), (342, 59941), (399, 51378), (798, 25689), (1197, 17126), (2394, 8563)]