20042640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1031}}^1$

素因数の和:1059

約数の個数: 120

約数和(自身を含む): 69870528

約数和(自身を除く): 49827888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1031, 1080, 1215, 1296, 1620, 1944, 2062, 2160, 2430, 3093, 3240, 3888, 4124, 4860, 5155, 6186, 6480, 8248, 9279, 9720, 10310, 12372, 15465, 16496, 18558, 19440, 20620, 24744, 27837, 30930, 37116, 41240, 46395, 49488, 55674, 61860, 74232, 82480, 83511, 92790, 111348, 123720, 139185, 148464, 167022, 185580, 222696, 247440, 250533, 278370, 334044, 371160, 417555, 445392, 501066, 556740, 668088, 742320, 835110, 1002132, 1113480, 1252665, 1336176, 1670220, 2004264, 2226960, 2505330, 3340440, 4008528, 5010660, 6680880, 10021320, 20042640]

約数ペア:

[(1, 20042640), (2, 10021320), (3, 6680880), (4, 5010660), (5, 4008528), (6, 3340440), (8, 2505330), (9, 2226960), (10, 2004264), (12, 1670220), (15, 1336176), (16, 1252665), (18, 1113480), (20, 1002132), (24, 835110), (27, 742320), (30, 668088), (36, 556740), (40, 501066), (45, 445392), (48, 417555), (54, 371160), (60, 334044), (72, 278370), (80, 250533), (81, 247440), (90, 222696), (108, 185580), (120, 167022), (135, 148464), (144, 139185), (162, 123720), (180, 111348), (216, 92790), (240, 83511), (243, 82480), (270, 74232), (324, 61860), (360, 55674), (405, 49488), (432, 46395), (486, 41240), (540, 37116), (648, 30930), (720, 27837), (810, 24744), (972, 20620), (1031, 19440), (1080, 18558), (1215, 16496), (1296, 15465), (1620, 12372), (1944, 10310), (2062, 9720), (2160, 9279), (2430, 8248), (3093, 6480), (3240, 6186), (3888, 5155), (4124, 4860)]