20255328

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 72

約数和(自身を含む): 58732128

約数和(自身を除く): 38476800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1327, 1696, 1908, 2544, 2654, 3816, 3981, 5088, 5308, 7632, 7962, 10616, 11943, 15264, 15924, 21232, 23886, 31848, 42464, 47772, 63696, 70331, 95544, 127392, 140662, 191088, 210993, 281324, 382176, 421986, 562648, 632979, 843972, 1125296, 1265958, 1687944, 2250592, 2531916, 3375888, 5063832, 6751776, 10127664, 20255328]

約数ペア:

[(1, 20255328), (2, 10127664), (3, 6751776), (4, 5063832), (6, 3375888), (8, 2531916), (9, 2250592), (12, 1687944), (16, 1265958), (18, 1125296), (24, 843972), (32, 632979), (36, 562648), (48, 421986), (53, 382176), (72, 281324), (96, 210993), (106, 191088), (144, 140662), (159, 127392), (212, 95544), (288, 70331), (318, 63696), (424, 47772), (477, 42464), (636, 31848), (848, 23886), (954, 21232), (1272, 15924), (1327, 15264), (1696, 11943), (1908, 10616), (2544, 7962), (2654, 7632), (3816, 5308), (3981, 5088)]