20544984

素因数分解:

$2^3\times 3^2\times {\mathrm{433}}^1\times {\mathrm{659}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 55855800

約数和(自身を除く): 35310816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 433, 659, 866, 1299, 1318, 1732, 1977, 2598, 2636, 3464, 3897, 3954, 5196, 5272, 5931, 7794, 7908, 10392, 11862, 15588, 15816, 23724, 31176, 47448, 285347, 570694, 856041, 1141388, 1712082, 2282776, 2568123, 3424164, 5136246, 6848328, 10272492, 20544984]

約数ペア:

[(1, 20544984), (2, 10272492), (3, 6848328), (4, 5136246), (6, 3424164), (8, 2568123), (9, 2282776), (12, 1712082), (18, 1141388), (24, 856041), (36, 570694), (72, 285347), (433, 47448), (659, 31176), (866, 23724), (1299, 15816), (1318, 15588), (1732, 11862), (1977, 10392), (2598, 7908), (2636, 7794), (3464, 5931), (3897, 5272), (3954, 5196)]