20199275824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{338369}}^1$

素因数の和:338438

約数の個数: 80

約数和(自身を含む): 49342466880

約数和(自身を除く): 29143191056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 533, 574, 656, 728, 1066, 1148, 1456, 2132, 2296, 3731, 4264, 4592, 7462, 8528, 14924, 29848, 59696, 338369, 676738, 1353476, 2368583, 2706952, 4398797, 4737166, 5413904, 8797594, 9474332, 13873129, 17595188, 18948664, 27746258, 30791579, 35190376, 37897328, 55492516, 61583158, 70380752, 97111903, 110985032, 123166316, 180350677, 194223806, 221970064, 246332632, 360701354, 388447612, 492665264, 721402708, 776895224, 1262454739, 1442805416, 1553790448, 2524909478, 2885610832, 5049818956, 10099637912, 20199275824]

約数ペア:

[(1, 20199275824), (2, 10099637912), (4, 5049818956), (7, 2885610832), (8, 2524909478), (13, 1553790448), (14, 1442805416), (16, 1262454739), (26, 776895224), (28, 721402708), (41, 492665264), (52, 388447612), (56, 360701354), (82, 246332632), (91, 221970064), (104, 194223806), (112, 180350677), (164, 123166316), (182, 110985032), (208, 97111903), (287, 70380752), (328, 61583158), (364, 55492516), (533, 37897328), (574, 35190376), (656, 30791579), (728, 27746258), (1066, 18948664), (1148, 17595188), (1456, 13873129), (2132, 9474332), (2296, 8797594), (3731, 5413904), (4264, 4737166), (4592, 4398797), (7462, 2706952), (8528, 2368583), (14924, 1353476), (29848, 676738), (59696, 338369)]