20004420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9011}}^1$

素因数の和:9060

約数の個数: 48

約数和(自身を含む): 57532608

約数和(自身を除く): 37528188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9011, 18022, 27033, 36044, 45055, 54066, 90110, 108132, 135165, 180220, 270330, 333407, 540660, 666814, 1000221, 1333628, 1667035, 2000442, 3334070, 4000884, 5001105, 6668140, 10002210, 20004420]

約数ペア:

[(1, 20004420), (2, 10002210), (3, 6668140), (4, 5001105), (5, 4000884), (6, 3334070), (10, 2000442), (12, 1667035), (15, 1333628), (20, 1000221), (30, 666814), (37, 540660), (60, 333407), (74, 270330), (111, 180220), (148, 135165), (185, 108132), (222, 90110), (370, 54066), (444, 45055), (555, 36044), (740, 27033), (1110, 18022), (2220, 9011)]