20804938336

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1\times {\mathrm{1187}}^1$

素因数の和:1693

約数の個数: 144

約数和(自身を含む): 50841229824

約数和(自身を除く): 30036291488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 463, 676, 728, 926, 1183, 1187, 1352, 1456, 1852, 2366, 2374, 2704, 2912, 3241, 3704, 4732, 4748, 5408, 6019, 6482, 7408, 8309, 9464, 9496, 12038, 12964, 14816, 15431, 16618, 18928, 18992, 24076, 25928, 30862, 33236, 37856, 37984, 42133, 48152, 51856, 61724, 66472, 78247, 84266, 96304, 103712, 108017, 123448, 132944, 156494, 168532, 192608, 200603, 216034, 246896, 265888, 312988, 337064, 401206, 432068, 493792, 547729, 549581, 625976, 674128, 802412, 864136, 1095458, 1099162, 1251952, 1348256, 1404221, 1604824, 1728272, 2190916, 2198324, 2503904, 2808442, 3209648, 3456544, 3847067, 4381832, 4396648, 5616884, 6419296, 7144553, 7694134, 8763664, 8793296, 11233768, 14289106, 15388268, 17527328, 17586592, 22467536, 28578212, 30776536, 44935072, 50011871, 57156424, 61553072, 92879189, 100023742, 114312848, 123106144, 185758378, 200047484, 228625696, 371516756, 400094968, 650154323, 743033512, 800189936, 1300308646, 1486067024, 1600379872, 2600617292, 2972134048, 5201234584, 10402469168, 20804938336]

約数ペア:

[(1, 20804938336), (2, 10402469168), (4, 5201234584), (7, 2972134048), (8, 2600617292), (13, 1600379872), (14, 1486067024), (16, 1300308646), (26, 800189936), (28, 743033512), (32, 650154323), (52, 400094968), (56, 371516756), (91, 228625696), (104, 200047484), (112, 185758378), (169, 123106144), (182, 114312848), (208, 100023742), (224, 92879189), (338, 61553072), (364, 57156424), (416, 50011871), (463, 44935072), (676, 30776536), (728, 28578212), (926, 22467536), (1183, 17586592), (1187, 17527328), (1352, 15388268), (1456, 14289106), (1852, 11233768), (2366, 8793296), (2374, 8763664), (2704, 7694134), (2912, 7144553), (3241, 6419296), (3704, 5616884), (4732, 4396648), (4748, 4381832), (5408, 3847067), (6019, 3456544), (6482, 3209648), (7408, 2808442), (8309, 2503904), (9464, 2198324), (9496, 2190916), (12038, 1728272), (12964, 1604824), (14816, 1404221), (15431, 1348256), (16618, 1251952), (18928, 1099162), (18992, 1095458), (24076, 864136), (25928, 802412), (30862, 674128), (33236, 625976), (37856, 549581), (37984, 547729), (42133, 493792), (48152, 432068), (51856, 401206), (61724, 337064), (66472, 312988), (78247, 265888), (84266, 246896), (96304, 216034), (103712, 200603), (108017, 192608), (123448, 168532), (132944, 156494)]