16223020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 38189088

約数和(自身を除く): 21966068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1993, 2035, 3986, 4070, 7972, 8140, 9965, 19930, 21923, 39860, 43846, 73741, 87692, 109615, 147482, 219230, 294964, 368705, 438460, 737410, 811151, 1474820, 1622302, 3244604, 4055755, 8111510, 16223020]

約数ペア:

[(1, 16223020), (2, 8111510), (4, 4055755), (5, 3244604), (10, 1622302), (11, 1474820), (20, 811151), (22, 737410), (37, 438460), (44, 368705), (55, 294964), (74, 219230), (110, 147482), (148, 109615), (185, 87692), (220, 73741), (370, 43846), (407, 39860), (740, 21923), (814, 19930), (1628, 9965), (1993, 8140), (2035, 7972), (3986, 4070)]