20090165872

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{32537}}^1$

素因数の和:32738

約数の個数: 80

約数和(自身を含む): 45995716800

約数和(自身を除く): 25905550928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 149, 259, 296, 298, 518, 592, 596, 1036, 1043, 1192, 2072, 2086, 2384, 4144, 4172, 5513, 8344, 11026, 16688, 22052, 32537, 38591, 44104, 65074, 77182, 88208, 130148, 154364, 227759, 260296, 308728, 455518, 520592, 617456, 911036, 1203869, 1822072, 2407738, 3644144, 4815476, 4848013, 8427083, 9630952, 9696026, 16854166, 19261904, 19392052, 33708332, 33936091, 38784104, 67416664, 67872182, 77568208, 134833328, 135744364, 179376481, 271488728, 358752962, 542977456, 717505924, 1255635367, 1435011848, 2511270734, 2870023696, 5022541468, 10045082936, 20090165872]

約数ペア:

[(1, 20090165872), (2, 10045082936), (4, 5022541468), (7, 2870023696), (8, 2511270734), (14, 1435011848), (16, 1255635367), (28, 717505924), (37, 542977456), (56, 358752962), (74, 271488728), (112, 179376481), (148, 135744364), (149, 134833328), (259, 77568208), (296, 67872182), (298, 67416664), (518, 38784104), (592, 33936091), (596, 33708332), (1036, 19392052), (1043, 19261904), (1192, 16854166), (2072, 9696026), (2086, 9630952), (2384, 8427083), (4144, 4848013), (4172, 4815476), (5513, 3644144), (8344, 2407738), (11026, 1822072), (16688, 1203869), (22052, 911036), (32537, 617456), (38591, 520592), (44104, 455518), (65074, 308728), (77182, 260296), (88208, 227759), (130148, 154364)]