20194671416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{25121}}^1$

素因数の和:25424

約数の個数: 64

約数和(自身を含む): 41999964480

約数和(自身を除く): 21805293064

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 257, 391, 514, 782, 1028, 1564, 2056, 3128, 4369, 5911, 8738, 11822, 17476, 23644, 25121, 34952, 47288, 50242, 100484, 100487, 200968, 200974, 401948, 427057, 577783, 803896, 854114, 1155566, 1708228, 2311132, 3416456, 4622264, 6456097, 9822311, 12912194, 19644622, 25824388, 39289244, 51648776, 78578488, 109753649, 148490231, 219507298, 296980462, 439014596, 593960924, 878029192, 1187921848, 2524333927, 5048667854, 10097335708, 20194671416]

約数ペア:

[(1, 20194671416), (2, 10097335708), (4, 5048667854), (8, 2524333927), (17, 1187921848), (23, 878029192), (34, 593960924), (46, 439014596), (68, 296980462), (92, 219507298), (136, 148490231), (184, 109753649), (257, 78578488), (391, 51648776), (514, 39289244), (782, 25824388), (1028, 19644622), (1564, 12912194), (2056, 9822311), (3128, 6456097), (4369, 4622264), (5911, 3416456), (8738, 2311132), (11822, 1708228), (17476, 1155566), (23644, 854114), (25121, 803896), (34952, 577783), (47288, 427057), (50242, 401948), (100484, 200974), (100487, 200968)]