20120151898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{11299}}^1$

素因数の和:11723

約数の個数: 64

約数和(自身を含む): 38948659200

約数和(自身を除く): 18828507302

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 373, 434, 682, 746, 2387, 2611, 4103, 4774, 5222, 8206, 11299, 11563, 22598, 23126, 28721, 57442, 79093, 80941, 124289, 127193, 158186, 161882, 248578, 254386, 350269, 700538, 870023, 890351, 1740046, 1780702, 2451883, 3852959, 4214527, 4903766, 7705918, 8429054, 26970713, 29501689, 46359797, 53941426, 59003378, 92719594, 130650337, 261300674, 324518579, 649037158, 914552359, 1437153707, 1829104718, 2874307414, 10060075949, 20120151898]

約数ペア:

[(1, 20120151898), (2, 10060075949), (7, 2874307414), (11, 1829104718), (14, 1437153707), (22, 914552359), (31, 649037158), (62, 324518579), (77, 261300674), (154, 130650337), (217, 92719594), (341, 59003378), (373, 53941426), (434, 46359797), (682, 29501689), (746, 26970713), (2387, 8429054), (2611, 7705918), (4103, 4903766), (4774, 4214527), (5222, 3852959), (8206, 2451883), (11299, 1780702), (11563, 1740046), (22598, 890351), (23126, 870023), (28721, 700538), (57442, 350269), (79093, 254386), (80941, 248578), (124289, 161882), (127193, 158186)]