20365800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:412

約数の個数: 192

約数和(自身を含む): 77911680

約数和(自身を除く): 57545880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 50, 52, 56, 60, 65, 70, 75, 78, 84, 91, 100, 104, 105, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 210, 260, 273, 280, 300, 312, 325, 350, 364, 373, 390, 420, 455, 520, 525, 546, 600, 650, 700, 728, 746, 780, 840, 910, 975, 1050, 1092, 1119, 1300, 1365, 1400, 1492, 1560, 1820, 1865, 1950, 2100, 2184, 2238, 2275, 2600, 2611, 2730, 2984, 3640, 3730, 3900, 4200, 4476, 4550, 4849, 5222, 5460, 5595, 6825, 7460, 7800, 7833, 8952, 9100, 9325, 9698, 10444, 10920, 11190, 13055, 13650, 14547, 14920, 15666, 18200, 18650, 19396, 20888, 22380, 24245, 26110, 27300, 27975, 29094, 31332, 33943, 37300, 38792, 39165, 44760, 48490, 52220, 54600, 55950, 58188, 62664, 65275, 67886, 72735, 74600, 78330, 96980, 101829, 104440, 111900, 116376, 121225, 130550, 135772, 145470, 156660, 169715, 193960, 195825, 203658, 223800, 242450, 261100, 271544, 290940, 313320, 339430, 363675, 391650, 407316, 484900, 509145, 522200, 581880, 678860, 727350, 783300, 814632, 848575, 969800, 1018290, 1357720, 1454700, 1566600, 1697150, 2036580, 2545725, 2909400, 3394300, 4073160, 5091450, 6788600, 10182900, 20365800]

約数ペア:

[(1, 20365800), (2, 10182900), (3, 6788600), (4, 5091450), (5, 4073160), (6, 3394300), (7, 2909400), (8, 2545725), (10, 2036580), (12, 1697150), (13, 1566600), (14, 1454700), (15, 1357720), (20, 1018290), (21, 969800), (24, 848575), (25, 814632), (26, 783300), (28, 727350), (30, 678860), (35, 581880), (39, 522200), (40, 509145), (42, 484900), (50, 407316), (52, 391650), (56, 363675), (60, 339430), (65, 313320), (70, 290940), (75, 271544), (78, 261100), (84, 242450), (91, 223800), (100, 203658), (104, 195825), (105, 193960), (120, 169715), (130, 156660), (140, 145470), (150, 135772), (156, 130550), (168, 121225), (175, 116376), (182, 111900), (195, 104440), (200, 101829), (210, 96980), (260, 78330), (273, 74600), (280, 72735), (300, 67886), (312, 65275), (325, 62664), (350, 58188), (364, 55950), (373, 54600), (390, 52220), (420, 48490), (455, 44760), (520, 39165), (525, 38792), (546, 37300), (600, 33943), (650, 31332), (700, 29094), (728, 27975), (746, 27300), (780, 26110), (840, 24245), (910, 22380), (975, 20888), (1050, 19396), (1092, 18650), (1119, 18200), (1300, 15666), (1365, 14920), (1400, 14547), (1492, 13650), (1560, 13055), (1820, 11190), (1865, 10920), (1950, 10444), (2100, 9698), (2184, 9325), (2238, 9100), (2275, 8952), (2600, 7833), (2611, 7800), (2730, 7460), (2984, 6825), (3640, 5595), (3730, 5460), (3900, 5222), (4200, 4849), (4476, 4550)]