20804563168

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{81707}}^1$

素因数の和:81899

約数の個数: 48

約数和(自身を含む): 41901496560

約数和(自身を除く): 21096933392

約数列:

[1, 2, 4, 8, 16, 32, 73, 109, 146, 218, 292, 436, 584, 872, 1168, 1744, 2336, 3488, 7957, 15914, 31828, 63656, 81707, 127312, 163414, 254624, 326828, 653656, 1307312, 2614624, 5964611, 8906063, 11929222, 17812126, 23858444, 35624252, 47716888, 71248504, 95433776, 142497008, 190867552, 284994016, 650142599, 1300285198, 2600570396, 5201140792, 10402281584, 20804563168]

約数ペア:

[(1, 20804563168), (2, 10402281584), (4, 5201140792), (8, 2600570396), (16, 1300285198), (32, 650142599), (73, 284994016), (109, 190867552), (146, 142497008), (218, 95433776), (292, 71248504), (436, 47716888), (584, 35624252), (872, 23858444), (1168, 17812126), (1744, 11929222), (2336, 8906063), (3488, 5964611), (7957, 2614624), (15914, 1307312), (31828, 653656), (63656, 326828), (81707, 254624), (127312, 163414)]