20770400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3736

約数の個数: 72

約数和(自身を含む): 57965040

約数和(自身を除く): 37194640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3709, 5600, 7418, 14836, 18545, 25963, 29672, 37090, 51926, 59344, 74180, 92725, 103852, 118688, 129815, 148360, 185450, 207704, 259630, 296720, 370900, 415408, 519260, 593440, 649075, 741800, 830816, 1038520, 1298150, 1483600, 2077040, 2596300, 2967200, 4154080, 5192600, 10385200, 20770400]

約数ペア:

[(1, 20770400), (2, 10385200), (4, 5192600), (5, 4154080), (7, 2967200), (8, 2596300), (10, 2077040), (14, 1483600), (16, 1298150), (20, 1038520), (25, 830816), (28, 741800), (32, 649075), (35, 593440), (40, 519260), (50, 415408), (56, 370900), (70, 296720), (80, 259630), (100, 207704), (112, 185450), (140, 148360), (160, 129815), (175, 118688), (200, 103852), (224, 92725), (280, 74180), (350, 59344), (400, 51926), (560, 37090), (700, 29672), (800, 25963), (1120, 18545), (1400, 14836), (2800, 7418), (3709, 5600)]