20996933244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{263953}}^1$

素因数の和:264914

約数の個数: 48

約数和(自身を含む): 56051159808

約数和(自身を除く): 35054226564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 947, 1894, 2841, 3788, 5682, 6629, 11364, 13258, 19887, 26516, 39774, 79548, 263953, 527906, 791859, 1055812, 1583718, 1847671, 3167436, 3695342, 5543013, 7390684, 11086026, 22172052, 249963491, 499926982, 749890473, 999853964, 1499780946, 1749744437, 2999561892, 3499488874, 5249233311, 6998977748, 10498466622, 20996933244]

約数ペア:

[(1, 20996933244), (2, 10498466622), (3, 6998977748), (4, 5249233311), (6, 3499488874), (7, 2999561892), (12, 1749744437), (14, 1499780946), (21, 999853964), (28, 749890473), (42, 499926982), (84, 249963491), (947, 22172052), (1894, 11086026), (2841, 7390684), (3788, 5543013), (5682, 3695342), (6629, 3167436), (11364, 1847671), (13258, 1583718), (19887, 1055812), (26516, 791859), (39774, 527906), (79548, 263953)]