20177712

素因数分解:

$2^4\times 3^2\times {\mathrm{140123}}^1$

素因数の和:140137

約数の個数: 30

約数和(自身を含む): 56469972

約数和(自身を除く): 36292260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140123, 280246, 420369, 560492, 840738, 1120984, 1261107, 1681476, 2241968, 2522214, 3362952, 5044428, 6725904, 10088856, 20177712]

約数ペア:

[(1, 20177712), (2, 10088856), (3, 6725904), (4, 5044428), (6, 3362952), (8, 2522214), (9, 2241968), (12, 1681476), (16, 1261107), (18, 1120984), (24, 840738), (36, 560492), (48, 420369), (72, 280246), (144, 140123)]