20137416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 59136000

約数和(自身を除く): 38998584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 43, 52, 57, 76, 78, 79, 86, 104, 114, 129, 152, 156, 158, 172, 228, 237, 247, 258, 312, 316, 344, 456, 474, 494, 516, 559, 632, 741, 817, 948, 988, 1027, 1032, 1118, 1482, 1501, 1634, 1677, 1896, 1976, 2054, 2236, 2451, 2964, 3002, 3081, 3268, 3354, 3397, 4108, 4472, 4503, 4902, 5928, 6004, 6162, 6536, 6708, 6794, 8216, 9006, 9804, 10191, 10621, 12008, 12324, 13416, 13588, 18012, 19513, 19608, 20382, 21242, 24648, 27176, 31863, 36024, 39026, 40764, 42484, 44161, 58539, 63726, 64543, 78052, 81528, 84968, 88322, 117078, 127452, 129086, 132483, 156104, 176644, 193629, 234156, 254904, 258172, 264966, 353288, 387258, 468312, 516344, 529932, 774516, 839059, 1059864, 1549032, 1678118, 2517177, 3356236, 5034354, 6712472, 10068708, 20137416]

約数ペア:

[(1, 20137416), (2, 10068708), (3, 6712472), (4, 5034354), (6, 3356236), (8, 2517177), (12, 1678118), (13, 1549032), (19, 1059864), (24, 839059), (26, 774516), (38, 529932), (39, 516344), (43, 468312), (52, 387258), (57, 353288), (76, 264966), (78, 258172), (79, 254904), (86, 234156), (104, 193629), (114, 176644), (129, 156104), (152, 132483), (156, 129086), (158, 127452), (172, 117078), (228, 88322), (237, 84968), (247, 81528), (258, 78052), (312, 64543), (316, 63726), (344, 58539), (456, 44161), (474, 42484), (494, 40764), (516, 39026), (559, 36024), (632, 31863), (741, 27176), (817, 24648), (948, 21242), (988, 20382), (1027, 19608), (1032, 19513), (1118, 18012), (1482, 13588), (1501, 13416), (1634, 12324), (1677, 12008), (1896, 10621), (1976, 10191), (2054, 9804), (2236, 9006), (2451, 8216), (2964, 6794), (3002, 6708), (3081, 6536), (3268, 6162), (3354, 6004), (3397, 5928), (4108, 4902), (4472, 4503)]