20257056

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1954

約数の個数: 72

約数和(自身を含む): 59194044

約数和(自身を除く): 38936988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1901, 2664, 3552, 3802, 5328, 5703, 7604, 10656, 11406, 15208, 17109, 22812, 30416, 34218, 45624, 60832, 68436, 70337, 91248, 136872, 140674, 182496, 211011, 273744, 281348, 422022, 547488, 562696, 633033, 844044, 1125392, 1266066, 1688088, 2250784, 2532132, 3376176, 5064264, 6752352, 10128528, 20257056]

約数ペア:

[(1, 20257056), (2, 10128528), (3, 6752352), (4, 5064264), (6, 3376176), (8, 2532132), (9, 2250784), (12, 1688088), (16, 1266066), (18, 1125392), (24, 844044), (32, 633033), (36, 562696), (37, 547488), (48, 422022), (72, 281348), (74, 273744), (96, 211011), (111, 182496), (144, 140674), (148, 136872), (222, 91248), (288, 70337), (296, 68436), (333, 60832), (444, 45624), (592, 34218), (666, 30416), (888, 22812), (1184, 17109), (1332, 15208), (1776, 11406), (1901, 10656), (2664, 7604), (3552, 5703), (3802, 5328)]