20485317960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2107543}}^1$

素因数の和:2107569

約数の個数: 96

約数和(自身を含む): 69043141440

約数和(自身を除く): 48557823480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 2107543, 4215086, 6322629, 8430172, 10537715, 12645258, 16860344, 18967887, 21075430, 25290516, 31613145, 37935774, 42150860, 50581032, 56903661, 63226290, 75871548, 84301720, 94839435, 113807322, 126452580, 151743096, 170710983, 189678870, 227614644, 252905160, 284518305, 341421966, 379357740, 455229288, 512132949, 569036610, 682843932, 758715480, 853554915, 1024265898, 1138073220, 1365687864, 1707109830, 2048531796, 2276146440, 2560664745, 3414219660, 4097063592, 5121329490, 6828439320, 10242658980, 20485317960]

約数ペア:

[(1, 20485317960), (2, 10242658980), (3, 6828439320), (4, 5121329490), (5, 4097063592), (6, 3414219660), (8, 2560664745), (9, 2276146440), (10, 2048531796), (12, 1707109830), (15, 1365687864), (18, 1138073220), (20, 1024265898), (24, 853554915), (27, 758715480), (30, 682843932), (36, 569036610), (40, 512132949), (45, 455229288), (54, 379357740), (60, 341421966), (72, 284518305), (81, 252905160), (90, 227614644), (108, 189678870), (120, 170710983), (135, 151743096), (162, 126452580), (180, 113807322), (216, 94839435), (243, 84301720), (270, 75871548), (324, 63226290), (360, 56903661), (405, 50581032), (486, 42150860), (540, 37935774), (648, 31613145), (810, 25290516), (972, 21075430), (1080, 18967887), (1215, 16860344), (1620, 12645258), (1944, 10537715), (2430, 8430172), (3240, 6322629), (4860, 4215086), (9720, 2107543)]