20628160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9209}}^1$

素因数の和:9233

約数の個数: 56

約数和(自身を含む): 56144160

約数和(自身を除く): 35516000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9209, 18418, 36836, 46045, 64463, 73672, 92090, 128926, 147344, 184180, 257852, 294688, 322315, 368360, 515704, 589376, 644630, 736720, 1031408, 1289260, 1473440, 2062816, 2578520, 2946880, 4125632, 5157040, 10314080, 20628160]

約数ペア:

[(1, 20628160), (2, 10314080), (4, 5157040), (5, 4125632), (7, 2946880), (8, 2578520), (10, 2062816), (14, 1473440), (16, 1289260), (20, 1031408), (28, 736720), (32, 644630), (35, 589376), (40, 515704), (56, 368360), (64, 322315), (70, 294688), (80, 257852), (112, 184180), (140, 147344), (160, 128926), (224, 92090), (280, 73672), (320, 64463), (448, 46045), (560, 36836), (1120, 18418), (2240, 9209)]