20177696

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 32077024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 431, 532, 608, 616, 836, 862, 1064, 1232, 1463, 1672, 1724, 2128, 2464, 2926, 3017, 3344, 3448, 4256, 4741, 5852, 6034, 6688, 6896, 8189, 9482, 11704, 12068, 13792, 16378, 18964, 23408, 24136, 32756, 33187, 37928, 46816, 48272, 57323, 65512, 66374, 75856, 90079, 96544, 114646, 131024, 132748, 151712, 180158, 229292, 262048, 265496, 360316, 458584, 530992, 630553, 720632, 917168, 1061984, 1261106, 1441264, 1834336, 2522212, 2882528, 5044424, 10088848, 20177696]

約数ペア:

[(1, 20177696), (2, 10088848), (4, 5044424), (7, 2882528), (8, 2522212), (11, 1834336), (14, 1441264), (16, 1261106), (19, 1061984), (22, 917168), (28, 720632), (32, 630553), (38, 530992), (44, 458584), (56, 360316), (76, 265496), (77, 262048), (88, 229292), (112, 180158), (133, 151712), (152, 132748), (154, 131024), (176, 114646), (209, 96544), (224, 90079), (266, 75856), (304, 66374), (308, 65512), (352, 57323), (418, 48272), (431, 46816), (532, 37928), (608, 33187), (616, 32756), (836, 24136), (862, 23408), (1064, 18964), (1232, 16378), (1463, 13792), (1672, 12068), (1724, 11704), (2128, 9482), (2464, 8189), (2926, 6896), (3017, 6688), (3344, 6034), (3448, 5852), (4256, 4741)]