20104858417

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{3019}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 25779686400

約数和(自身を除く): 5674827983

約数列:

[1, 7, 19, 23, 49, 133, 161, 311, 437, 931, 1127, 2177, 3019, 3059, 5909, 7153, 15239, 21133, 21413, 41363, 50071, 57361, 69437, 135907, 147931, 289541, 350497, 401527, 486059, 938909, 951349, 1319303, 2810689, 3402413, 6572363, 6659443, 9235121, 17839271, 21594907, 46006541, 64645847, 124874897, 151164349, 410303233, 874124279, 1058150443, 2872122631, 20104858417]

約数ペア:

[(1, 20104858417), (7, 2872122631), (19, 1058150443), (23, 874124279), (49, 410303233), (133, 151164349), (161, 124874897), (311, 64645847), (437, 46006541), (931, 21594907), (1127, 17839271), (2177, 9235121), (3019, 6659443), (3059, 6572363), (5909, 3402413), (7153, 2810689), (15239, 1319303), (21133, 951349), (21413, 938909), (41363, 486059), (50071, 401527), (57361, 350497), (69437, 289541), (135907, 147931)]