20074937428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:846

約数の個数: 144

約数和(自身を含む): 44625530880

約数和(自身を除く): 24550593452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 83, 91, 158, 166, 169, 182, 316, 332, 338, 364, 553, 581, 647, 676, 1027, 1079, 1106, 1162, 1183, 1294, 2054, 2158, 2212, 2324, 2366, 2588, 4108, 4316, 4529, 4732, 6557, 7189, 7553, 8411, 9058, 13114, 13351, 14027, 14378, 15106, 16822, 18116, 26228, 26702, 28054, 28756, 30212, 33644, 45899, 51113, 53404, 53701, 56108, 58877, 85241, 91798, 93457, 98189, 102226, 107402, 109343, 117754, 170482, 183596, 186914, 196378, 204452, 214804, 218686, 235508, 340964, 357791, 373828, 375907, 392756, 437372, 596687, 664469, 698113, 715582, 751814, 765401, 1108133, 1193374, 1328938, 1396226, 1431164, 1503628, 1530802, 2216266, 2386748, 2657876, 2792452, 3061604, 4242379, 4432532, 4651283, 4886791, 7756931, 8484758, 8638097, 9075469, 9302566, 9773582, 15513862, 16969516, 17276194, 18150938, 18605132, 19547164, 29696653, 31027724, 34552388, 36301876, 55150927, 59393306, 60466679, 63528283, 110301854, 118786612, 120933358, 127056566, 220603708, 241866716, 254113132, 386056489, 716962051, 772112978, 1433924102, 1544225956, 2867848204, 5018734357, 10037468714, 20074937428]

約数ペア:

[(1, 20074937428), (2, 10037468714), (4, 5018734357), (7, 2867848204), (13, 1544225956), (14, 1433924102), (26, 772112978), (28, 716962051), (52, 386056489), (79, 254113132), (83, 241866716), (91, 220603708), (158, 127056566), (166, 120933358), (169, 118786612), (182, 110301854), (316, 63528283), (332, 60466679), (338, 59393306), (364, 55150927), (553, 36301876), (581, 34552388), (647, 31027724), (676, 29696653), (1027, 19547164), (1079, 18605132), (1106, 18150938), (1162, 17276194), (1183, 16969516), (1294, 15513862), (2054, 9773582), (2158, 9302566), (2212, 9075469), (2324, 8638097), (2366, 8484758), (2588, 7756931), (4108, 4886791), (4316, 4651283), (4529, 4432532), (4732, 4242379), (6557, 3061604), (7189, 2792452), (7553, 2657876), (8411, 2386748), (9058, 2216266), (13114, 1530802), (13351, 1503628), (14027, 1431164), (14378, 1396226), (15106, 1328938), (16822, 1193374), (18116, 1108133), (26228, 765401), (26702, 751814), (28054, 715582), (28756, 698113), (30212, 664469), (33644, 596687), (45899, 437372), (51113, 392756), (53404, 375907), (53701, 373828), (56108, 357791), (58877, 340964), (85241, 235508), (91798, 218686), (93457, 214804), (98189, 204452), (102226, 196378), (107402, 186914), (109343, 183596), (117754, 170482)]