20192320

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:815

約数の個数: 56

約数和(自身を含む): 48691800

約数和(自身を除く): 28499480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 709, 712, 890, 1418, 1424, 1780, 2836, 2848, 3545, 3560, 5672, 5696, 7090, 7120, 11344, 14180, 14240, 22688, 28360, 28480, 45376, 56720, 63101, 113440, 126202, 226880, 252404, 315505, 504808, 631010, 1009616, 1262020, 2019232, 2524040, 4038464, 5048080, 10096160, 20192320]

約数ペア:

[(1, 20192320), (2, 10096160), (4, 5048080), (5, 4038464), (8, 2524040), (10, 2019232), (16, 1262020), (20, 1009616), (32, 631010), (40, 504808), (64, 315505), (80, 252404), (89, 226880), (160, 126202), (178, 113440), (320, 63101), (356, 56720), (445, 45376), (709, 28480), (712, 28360), (890, 22688), (1418, 14240), (1424, 14180), (1780, 11344), (2836, 7120), (2848, 7090), (3545, 5696), (3560, 5672)]