20199090898

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{41387}}^1$

素因数の和:41958

約数の個数: 32

約数和(自身を含む): 35187084288

約数和(自身を除く): 14987993390

約数列:

[1, 2, 7, 14, 71, 142, 491, 497, 982, 994, 3437, 6874, 34861, 41387, 69722, 82774, 244027, 289709, 488054, 579418, 2938477, 5876954, 20321017, 20569339, 40642034, 41138678, 142247119, 284494238, 1442792207, 2885584414, 10099545449, 20199090898]

約数ペア:

[(1, 20199090898), (2, 10099545449), (7, 2885584414), (14, 1442792207), (71, 284494238), (142, 142247119), (491, 41138678), (497, 40642034), (982, 20569339), (994, 20321017), (3437, 5876954), (6874, 2938477), (34861, 579418), (41387, 488054), (69722, 289709), (82774, 244027)]