20477280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1208

約数の個数: 96

約数和(自身を含む): 66304224

約数和(自身を除く): 45826944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1153, 1184, 1480, 1776, 2220, 2306, 2960, 3459, 3552, 4440, 4612, 5765, 5920, 6918, 8880, 9224, 11530, 13836, 17295, 17760, 18448, 23060, 27672, 34590, 36896, 42661, 46120, 55344, 69180, 85322, 92240, 110688, 127983, 138360, 170644, 184480, 213305, 255966, 276720, 341288, 426610, 511932, 553440, 639915, 682576, 853220, 1023864, 1279830, 1365152, 1706440, 2047728, 2559660, 3412880, 4095456, 5119320, 6825760, 10238640, 20477280]

約数ペア:

[(1, 20477280), (2, 10238640), (3, 6825760), (4, 5119320), (5, 4095456), (6, 3412880), (8, 2559660), (10, 2047728), (12, 1706440), (15, 1365152), (16, 1279830), (20, 1023864), (24, 853220), (30, 682576), (32, 639915), (37, 553440), (40, 511932), (48, 426610), (60, 341288), (74, 276720), (80, 255966), (96, 213305), (111, 184480), (120, 170644), (148, 138360), (160, 127983), (185, 110688), (222, 92240), (240, 85322), (296, 69180), (370, 55344), (444, 46120), (480, 42661), (555, 36896), (592, 34590), (740, 27672), (888, 23060), (1110, 18448), (1153, 17760), (1184, 17295), (1480, 13836), (1776, 11530), (2220, 9224), (2306, 8880), (2960, 6918), (3459, 5920), (3552, 5765), (4440, 4612)]