20543040

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 168

約数和(自身を含む): 80832960

約数和(自身を除く): 60289920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1019, 1120, 1260, 1344, 1440, 1680, 2016, 2038, 2240, 2520, 2880, 3057, 3360, 4032, 4076, 5040, 5095, 6114, 6720, 7133, 8152, 9171, 10080, 10190, 12228, 14266, 15285, 16304, 18342, 20160, 20380, 21399, 24456, 28532, 30570, 32608, 35665, 36684, 40760, 42798, 45855, 48912, 57064, 61140, 64197, 65216, 71330, 73368, 81520, 85596, 91710, 97824, 106995, 114128, 122280, 128394, 142660, 146736, 163040, 171192, 183420, 195648, 213990, 228256, 244560, 256788, 285320, 293472, 320985, 326080, 342384, 366840, 427980, 456512, 489120, 513576, 570640, 586944, 641970, 684768, 733680, 855960, 978240, 1027152, 1141280, 1283940, 1369536, 1467360, 1711920, 2054304, 2282560, 2567880, 2934720, 3423840, 4108608, 5135760, 6847680, 10271520, 20543040]

約数ペア:

[(1, 20543040), (2, 10271520), (3, 6847680), (4, 5135760), (5, 4108608), (6, 3423840), (7, 2934720), (8, 2567880), (9, 2282560), (10, 2054304), (12, 1711920), (14, 1467360), (15, 1369536), (16, 1283940), (18, 1141280), (20, 1027152), (21, 978240), (24, 855960), (28, 733680), (30, 684768), (32, 641970), (35, 586944), (36, 570640), (40, 513576), (42, 489120), (45, 456512), (48, 427980), (56, 366840), (60, 342384), (63, 326080), (64, 320985), (70, 293472), (72, 285320), (80, 256788), (84, 244560), (90, 228256), (96, 213990), (105, 195648), (112, 183420), (120, 171192), (126, 163040), (140, 146736), (144, 142660), (160, 128394), (168, 122280), (180, 114128), (192, 106995), (210, 97824), (224, 91710), (240, 85596), (252, 81520), (280, 73368), (288, 71330), (315, 65216), (320, 64197), (336, 61140), (360, 57064), (420, 48912), (448, 45855), (480, 42798), (504, 40760), (560, 36684), (576, 35665), (630, 32608), (672, 30570), (720, 28532), (840, 24456), (960, 21399), (1008, 20380), (1019, 20160), (1120, 18342), (1260, 16304), (1344, 15285), (1440, 14266), (1680, 12228), (2016, 10190), (2038, 10080), (2240, 9171), (2520, 8152), (2880, 7133), (3057, 6720), (3360, 6114), (4032, 5095), (4076, 5040)]