20763392

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 47388096

約数和(自身を除く): 26624704

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 367, 416, 442, 544, 734, 832, 884, 1088, 1468, 1664, 1768, 2176, 2936, 3328, 3536, 4352, 4771, 5872, 6239, 7072, 9542, 11744, 12478, 14144, 19084, 23488, 24956, 28288, 38168, 46976, 49912, 56576, 76336, 81107, 93952, 99824, 152672, 162214, 199648, 305344, 324428, 399296, 610688, 648856, 798592, 1221376, 1297712, 1597184, 2595424, 5190848, 10381696, 20763392]

約数ペア:

[(1, 20763392), (2, 10381696), (4, 5190848), (8, 2595424), (13, 1597184), (16, 1297712), (17, 1221376), (26, 798592), (32, 648856), (34, 610688), (52, 399296), (64, 324428), (68, 305344), (104, 199648), (128, 162214), (136, 152672), (208, 99824), (221, 93952), (256, 81107), (272, 76336), (367, 56576), (416, 49912), (442, 46976), (544, 38168), (734, 28288), (832, 24956), (884, 23488), (1088, 19084), (1468, 14144), (1664, 12478), (1768, 11744), (2176, 9542), (2936, 7072), (3328, 6239), (3536, 5872), (4352, 4771)]