20219255488

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{547}}^1\times {\mathrm{601}}^1$

素因数の和:1222

約数の個数: 84

約数和(自身を含む): 41603514456

約数和(自身を除く): 21384258968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 547, 601, 961, 992, 1094, 1202, 1922, 1984, 2188, 2404, 3844, 4376, 4808, 7688, 8752, 9616, 15376, 16957, 17504, 18631, 19232, 30752, 33914, 35008, 37262, 38464, 61504, 67828, 74524, 135656, 149048, 271312, 298096, 328747, 525667, 542624, 577561, 596192, 657494, 1051334, 1085248, 1155122, 1192384, 1314988, 2102668, 2310244, 2629976, 4205336, 4620488, 5259952, 8410672, 9240976, 10191157, 10519904, 16821344, 18481952, 20382314, 21039808, 33642688, 36963904, 40764628, 81529256, 163058512, 315925867, 326117024, 631851734, 652234048, 1263703468, 2527406936, 5054813872, 10109627744, 20219255488]

約数ペア:

[(1, 20219255488), (2, 10109627744), (4, 5054813872), (8, 2527406936), (16, 1263703468), (31, 652234048), (32, 631851734), (62, 326117024), (64, 315925867), (124, 163058512), (248, 81529256), (496, 40764628), (547, 36963904), (601, 33642688), (961, 21039808), (992, 20382314), (1094, 18481952), (1202, 16821344), (1922, 10519904), (1984, 10191157), (2188, 9240976), (2404, 8410672), (3844, 5259952), (4376, 4620488), (4808, 4205336), (7688, 2629976), (8752, 2310244), (9616, 2102668), (15376, 1314988), (16957, 1192384), (17504, 1155122), (18631, 1085248), (19232, 1051334), (30752, 657494), (33914, 596192), (35008, 577561), (37262, 542624), (38464, 525667), (61504, 328747), (67828, 298096), (74524, 271312), (135656, 149048)]