20393536

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:603

約数の個数: 56

約数和(自身を含む): 44053760

約数和(自身を除く): 23660224

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 541, 589, 608, 992, 1082, 1178, 1216, 1984, 2164, 2356, 4328, 4712, 8656, 9424, 10279, 16771, 17312, 18848, 20558, 33542, 34624, 37696, 41116, 67084, 82232, 134168, 164464, 268336, 318649, 328928, 536672, 637298, 657856, 1073344, 1274596, 2549192, 5098384, 10196768, 20393536]

約数ペア:

[(1, 20393536), (2, 10196768), (4, 5098384), (8, 2549192), (16, 1274596), (19, 1073344), (31, 657856), (32, 637298), (38, 536672), (62, 328928), (64, 318649), (76, 268336), (124, 164464), (152, 134168), (248, 82232), (304, 67084), (496, 41116), (541, 37696), (589, 34624), (608, 33542), (992, 20558), (1082, 18848), (1178, 17312), (1216, 16771), (1984, 10279), (2164, 9424), (2356, 8656), (4328, 4712)]