20199012309

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{5393}}^1$

素因数の和:5584

約数の個数: 96

約数和(自身を含む): 36894960000

約数和(自身を除く): 16695947691

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 149, 171, 189, 399, 441, 447, 513, 931, 1043, 1197, 1323, 1341, 2793, 2831, 3129, 3591, 4023, 5393, 7301, 8379, 8493, 9387, 16179, 19817, 21903, 25137, 25479, 28161, 37751, 48537, 59451, 65709, 76437, 102467, 113253, 138719, 145611, 178353, 197127, 264257, 307401, 339759, 416157, 535059, 717269, 792771, 803557, 922203, 1019277, 1248471, 2151807, 2378313, 2410671, 2766609, 3745413, 5020883, 5624899, 6455421, 7134939, 7232013, 15062649, 15267583, 16874697, 19366263, 21696039, 39374293, 45187947, 45802749, 50624091, 106873081, 118122879, 135563841, 137408247, 151872273, 320619243, 354368637, 412224741, 748111567, 961857729, 1063105911, 2244334701, 2885573187, 6733004103, 20199012309]

約数ペア:

[(1, 20199012309), (3, 6733004103), (7, 2885573187), (9, 2244334701), (19, 1063105911), (21, 961857729), (27, 748111567), (49, 412224741), (57, 354368637), (63, 320619243), (133, 151872273), (147, 137408247), (149, 135563841), (171, 118122879), (189, 106873081), (399, 50624091), (441, 45802749), (447, 45187947), (513, 39374293), (931, 21696039), (1043, 19366263), (1197, 16874697), (1323, 15267583), (1341, 15062649), (2793, 7232013), (2831, 7134939), (3129, 6455421), (3591, 5624899), (4023, 5020883), (5393, 3745413), (7301, 2766609), (8379, 2410671), (8493, 2378313), (9387, 2151807), (16179, 1248471), (19817, 1019277), (21903, 922203), (25137, 803557), (25479, 792771), (28161, 717269), (37751, 535059), (48537, 416157), (59451, 339759), (65709, 307401), (76437, 264257), (102467, 197127), (113253, 178353), (138719, 145611)]