20084745

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 13830135

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 919, 1457, 2757, 4371, 4595, 7285, 13785, 21855, 28489, 43193, 85467, 129579, 142445, 215965, 427335, 647895, 1338983, 4016949, 6694915, 20084745]

約数ペア:

[(1, 20084745), (3, 6694915), (5, 4016949), (15, 1338983), (31, 647895), (47, 427335), (93, 215965), (141, 142445), (155, 129579), (235, 85467), (465, 43193), (705, 28489), (919, 21855), (1457, 13785), (2757, 7285), (4371, 4595)]