20497968

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2103

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 40926672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2063, 2484, 3312, 4126, 4968, 6189, 8252, 9936, 12378, 16504, 18567, 24756, 33008, 37134, 47449, 49512, 55701, 74268, 94898, 99024, 111402, 142347, 148536, 189796, 222804, 284694, 297072, 379592, 427041, 445608, 569388, 759184, 854082, 891216, 1138776, 1281123, 1708164, 2277552, 2562246, 3416328, 5124492, 6832656, 10248984, 20497968]

約数ペア:

[(1, 20497968), (2, 10248984), (3, 6832656), (4, 5124492), (6, 3416328), (8, 2562246), (9, 2277552), (12, 1708164), (16, 1281123), (18, 1138776), (23, 891216), (24, 854082), (27, 759184), (36, 569388), (46, 445608), (48, 427041), (54, 379592), (69, 297072), (72, 284694), (92, 222804), (108, 189796), (138, 148536), (144, 142347), (184, 111402), (207, 99024), (216, 94898), (276, 74268), (368, 55701), (414, 49512), (432, 47449), (552, 37134), (621, 33008), (828, 24756), (1104, 18567), (1242, 16504), (1656, 12378), (2063, 9936), (2484, 8252), (3312, 6189), (4126, 4968)]