20173787776

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{116833}}^1$

素因数の和:116937

約数の個数: 64

約数和(自身を含む): 42901444800

約数和(自身を除く): 22727657024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 284, 304, 568, 608, 1136, 1216, 1349, 2272, 2432, 2698, 4544, 5396, 9088, 10792, 21584, 43168, 86336, 116833, 172672, 233666, 467332, 934664, 1869328, 2219827, 3738656, 4439654, 7477312, 8295143, 8879308, 14954624, 16590286, 17758616, 33180572, 35517232, 66361144, 71034464, 132722288, 142068928, 157607717, 265444576, 284137856, 315215434, 530889152, 630430868, 1061778304, 1260861736, 2521723472, 5043446944, 10086893888, 20173787776]

約数ペア:

[(1, 20173787776), (2, 10086893888), (4, 5043446944), (8, 2521723472), (16, 1260861736), (19, 1061778304), (32, 630430868), (38, 530889152), (64, 315215434), (71, 284137856), (76, 265444576), (128, 157607717), (142, 142068928), (152, 132722288), (284, 71034464), (304, 66361144), (568, 35517232), (608, 33180572), (1136, 17758616), (1216, 16590286), (1349, 14954624), (2272, 8879308), (2432, 8295143), (2698, 7477312), (4544, 4439654), (5396, 3738656), (9088, 2219827), (10792, 1869328), (21584, 934664), (43168, 467332), (86336, 233666), (116833, 172672)]