20448065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 7752895

約数列:

[1, 5, 11, 31, 55, 67, 155, 179, 335, 341, 737, 895, 1705, 1969, 2077, 3685, 5549, 9845, 10385, 11993, 22847, 27745, 59965, 61039, 114235, 131923, 305195, 371783, 659615, 1858915, 4089613, 20448065]

約数ペア:

[(1, 20448065), (5, 4089613), (11, 1858915), (31, 659615), (55, 371783), (67, 305195), (155, 131923), (179, 114235), (335, 61039), (341, 59965), (737, 27745), (895, 22847), (1705, 11993), (1969, 10385), (2077, 9845), (3685, 5549)]