20139660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 61641216

約数和(自身を除く): 41501556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 881, 1143, 1270, 1524, 1762, 1905, 2286, 2540, 2643, 3524, 3810, 4405, 4572, 5286, 5715, 7620, 7929, 8810, 10572, 11430, 13215, 15858, 17620, 22860, 26430, 31716, 39645, 52860, 79290, 111887, 158580, 223774, 335661, 447548, 559435, 671322, 1006983, 1118870, 1342644, 1678305, 2013966, 2237740, 3356610, 4027932, 5034915, 6713220, 10069830, 20139660]

約数ペア:

[(1, 20139660), (2, 10069830), (3, 6713220), (4, 5034915), (5, 4027932), (6, 3356610), (9, 2237740), (10, 2013966), (12, 1678305), (15, 1342644), (18, 1118870), (20, 1006983), (30, 671322), (36, 559435), (45, 447548), (60, 335661), (90, 223774), (127, 158580), (180, 111887), (254, 79290), (381, 52860), (508, 39645), (635, 31716), (762, 26430), (881, 22860), (1143, 17620), (1270, 15858), (1524, 13215), (1762, 11430), (1905, 10572), (2286, 8810), (2540, 7929), (2643, 7620), (3524, 5715), (3810, 5286), (4405, 4572)]