20318697720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90887}}^1$

素因数の和:90936

約数の個数: 192

約数和(自身を含む): 71459781120

約数和(自身を除く): 51141083400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 243, 270, 276, 324, 345, 360, 405, 414, 460, 486, 540, 552, 621, 648, 690, 810, 828, 920, 972, 1035, 1080, 1215, 1242, 1380, 1620, 1656, 1863, 1944, 2070, 2430, 2484, 2760, 3105, 3240, 3726, 4140, 4860, 4968, 5589, 6210, 7452, 8280, 9315, 9720, 11178, 12420, 14904, 18630, 22356, 24840, 27945, 37260, 44712, 55890, 74520, 90887, 111780, 181774, 223560, 272661, 363548, 454435, 545322, 727096, 817983, 908870, 1090644, 1363305, 1635966, 1817740, 2090401, 2181288, 2453949, 2726610, 3271932, 3635480, 4089915, 4180802, 4907898, 5453220, 6271203, 6543864, 7361847, 8179830, 8361604, 9815796, 10452005, 10906440, 12269745, 12542406, 14723694, 16359660, 16723208, 18813609, 19631592, 20904010, 22085541, 24539490, 25084812, 29447388, 31356015, 32719320, 36809235, 37627218, 41808020, 44171082, 49078980, 50169624, 56440827, 58894776, 62712030, 73618470, 75254436, 83616040, 88342164, 94068045, 98157960, 110427705, 112881654, 125424060, 147236940, 150508872, 169322481, 176684328, 188136090, 220855410, 225763308, 250848120, 282204135, 294473880, 338644962, 376272180, 441710820, 451526616, 507967443, 564408270, 677289924, 752544360, 846612405, 883421640, 1015934886, 1128816540, 1354579848, 1693224810, 2031869772, 2257633080, 2539837215, 3386449620, 4063739544, 5079674430, 6772899240, 10159348860, 20318697720]

約数ペア:

[(1, 20318697720), (2, 10159348860), (3, 6772899240), (4, 5079674430), (5, 4063739544), (6, 3386449620), (8, 2539837215), (9, 2257633080), (10, 2031869772), (12, 1693224810), (15, 1354579848), (18, 1128816540), (20, 1015934886), (23, 883421640), (24, 846612405), (27, 752544360), (30, 677289924), (36, 564408270), (40, 507967443), (45, 451526616), (46, 441710820), (54, 376272180), (60, 338644962), (69, 294473880), (72, 282204135), (81, 250848120), (90, 225763308), (92, 220855410), (108, 188136090), (115, 176684328), (120, 169322481), (135, 150508872), (138, 147236940), (162, 125424060), (180, 112881654), (184, 110427705), (207, 98157960), (216, 94068045), (230, 88342164), (243, 83616040), (270, 75254436), (276, 73618470), (324, 62712030), (345, 58894776), (360, 56440827), (405, 50169624), (414, 49078980), (460, 44171082), (486, 41808020), (540, 37627218), (552, 36809235), (621, 32719320), (648, 31356015), (690, 29447388), (810, 25084812), (828, 24539490), (920, 22085541), (972, 20904010), (1035, 19631592), (1080, 18813609), (1215, 16723208), (1242, 16359660), (1380, 14723694), (1620, 12542406), (1656, 12269745), (1863, 10906440), (1944, 10452005), (2070, 9815796), (2430, 8361604), (2484, 8179830), (2760, 7361847), (3105, 6543864), (3240, 6271203), (3726, 5453220), (4140, 4907898), (4860, 4180802), (4968, 4089915), (5589, 3635480), (6210, 3271932), (7452, 2726610), (8280, 2453949), (9315, 2181288), (9720, 2090401), (11178, 1817740), (12420, 1635966), (14904, 1363305), (18630, 1090644), (22356, 908870), (24840, 817983), (27945, 727096), (37260, 545322), (44712, 454435), (55890, 363548), (74520, 272661), (90887, 223560), (111780, 181774)]