20805624

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41281}}^1$

素因数の和:41300

約数の個数: 48

約数和(自身を含む): 64399920

約数和(自身を除く): 43594296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41281, 82562, 123843, 165124, 247686, 288967, 330248, 371529, 495372, 577934, 743058, 866901, 990744, 1155868, 1486116, 1733802, 2311736, 2600703, 2972232, 3467604, 5201406, 6935208, 10402812, 20805624]

約数ペア:

[(1, 20805624), (2, 10402812), (3, 6935208), (4, 5201406), (6, 3467604), (7, 2972232), (8, 2600703), (9, 2311736), (12, 1733802), (14, 1486116), (18, 1155868), (21, 990744), (24, 866901), (28, 743058), (36, 577934), (42, 495372), (56, 371529), (63, 330248), (72, 288967), (84, 247686), (126, 165124), (168, 123843), (252, 82562), (504, 41281)]