20768544

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2002

約数の個数: 72

約数和(自身を含む): 60687900

約数和(自身を除く): 39919356

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, 1949, 2664, 3552, 3898, 5328, 5847, 7796, 10656, 11694, 15592, 17541, 23388, 31184, 35082, 46776, 62368, 70164, 72113, 93552, 140328, 144226, 187104, 216339, 280656, 288452, 432678, 561312, 576904, 649017, 865356, 1153808, 1298034, 1730712, 2307616, 2596068, 3461424, 5192136, 6922848, 10384272, 20768544]

約数ペア:

[(1, 20768544), (2, 10384272), (3, 6922848), (4, 5192136), (6, 3461424), (8, 2596068), (9, 2307616), (12, 1730712), (16, 1298034), (18, 1153808), (24, 865356), (32, 649017), (36, 576904), (37, 561312), (48, 432678), (72, 288452), (74, 280656), (96, 216339), (111, 187104), (144, 144226), (148, 140328), (222, 93552), (288, 72113), (296, 70164), (333, 62368), (444, 46776), (592, 35082), (666, 31184), (888, 23388), (1184, 17541), (1332, 15592), (1776, 11694), (1949, 10656), (2664, 7796), (3552, 5847), (3898, 5328)]