20258400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 144

約数和(自身を含む): 68995584

約数和(自身を除く): 48737184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 200, 230, 240, 276, 300, 345, 367, 368, 400, 460, 480, 552, 575, 600, 690, 734, 736, 800, 920, 1101, 1104, 1150, 1200, 1380, 1468, 1725, 1835, 1840, 2202, 2208, 2300, 2400, 2760, 2936, 3450, 3670, 3680, 4404, 4600, 5505, 5520, 5872, 6900, 7340, 8441, 8808, 9175, 9200, 11010, 11040, 11744, 13800, 14680, 16882, 17616, 18350, 18400, 22020, 25323, 27525, 27600, 29360, 33764, 35232, 36700, 42205, 44040, 50646, 55050, 55200, 58720, 67528, 73400, 84410, 88080, 101292, 110100, 126615, 135056, 146800, 168820, 176160, 202584, 211025, 220200, 253230, 270112, 293600, 337640, 405168, 422050, 440400, 506460, 633075, 675280, 810336, 844100, 880800, 1012920, 1266150, 1350560, 1688200, 2025840, 2532300, 3376400, 4051680, 5064600, 6752800, 10129200, 20258400]

約数ペア:

[(1, 20258400), (2, 10129200), (3, 6752800), (4, 5064600), (5, 4051680), (6, 3376400), (8, 2532300), (10, 2025840), (12, 1688200), (15, 1350560), (16, 1266150), (20, 1012920), (23, 880800), (24, 844100), (25, 810336), (30, 675280), (32, 633075), (40, 506460), (46, 440400), (48, 422050), (50, 405168), (60, 337640), (69, 293600), (75, 270112), (80, 253230), (92, 220200), (96, 211025), (100, 202584), (115, 176160), (120, 168820), (138, 146800), (150, 135056), (160, 126615), (184, 110100), (200, 101292), (230, 88080), (240, 84410), (276, 73400), (300, 67528), (345, 58720), (367, 55200), (368, 55050), (400, 50646), (460, 44040), (480, 42205), (552, 36700), (575, 35232), (600, 33764), (690, 29360), (734, 27600), (736, 27525), (800, 25323), (920, 22020), (1101, 18400), (1104, 18350), (1150, 17616), (1200, 16882), (1380, 14680), (1468, 13800), (1725, 11744), (1835, 11040), (1840, 11010), (2202, 9200), (2208, 9175), (2300, 8808), (2400, 8441), (2760, 7340), (2936, 6900), (3450, 5872), (3670, 5520), (3680, 5505), (4404, 4600)]