20015856

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6619}}^1$

素因数の和:6643

約数の個数: 80

約数和(自身を含む): 65670400

約数和(自身を除く): 45654544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6619, 13238, 19857, 26476, 39714, 46333, 52952, 59571, 79428, 92666, 105904, 119142, 138999, 158856, 178713, 185332, 238284, 277998, 317712, 357426, 370664, 416997, 476568, 555996, 714852, 741328, 833994, 953136, 1111992, 1250991, 1429704, 1667988, 2223984, 2501982, 2859408, 3335976, 5003964, 6671952, 10007928, 20015856]

約数ペア:

[(1, 20015856), (2, 10007928), (3, 6671952), (4, 5003964), (6, 3335976), (7, 2859408), (8, 2501982), (9, 2223984), (12, 1667988), (14, 1429704), (16, 1250991), (18, 1111992), (21, 953136), (24, 833994), (27, 741328), (28, 714852), (36, 555996), (42, 476568), (48, 416997), (54, 370664), (56, 357426), (63, 317712), (72, 277998), (84, 238284), (108, 185332), (112, 178713), (126, 158856), (144, 138999), (168, 119142), (189, 105904), (216, 92666), (252, 79428), (336, 59571), (378, 52952), (432, 46333), (504, 39714), (756, 26476), (1008, 19857), (1512, 13238), (3024, 6619)]