20198895360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{751447}}^1$

素因数の和:751478

約数の個数: 144

約数和(自身を含む): 73726066176

約数和(自身を除く): 53527170816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 751447, 1502894, 2254341, 3005788, 3757235, 4508682, 5260129, 6011576, 7514470, 9017364, 10520258, 11271705, 12023152, 15028940, 15780387, 18034728, 21040516, 22543410, 24046304, 26300645, 30057880, 31560774, 36069456, 42081032, 45086820, 48092608, 52601290, 60115760, 63121548, 72138912, 78901935, 84162064, 90173640, 96185216, 105202580, 120231520, 126243096, 144277824, 157803870, 168324128, 180347280, 192370432, 210405160, 240463040, 252486192, 288555648, 315607740, 336648256, 360694560, 420810320, 480926080, 504972384, 577111296, 631215480, 673296512, 721389120, 841620640, 961852160, 1009944768, 1262430960, 1346593024, 1442778240, 1683241280, 2019889536, 2524861920, 2885556480, 3366482560, 4039779072, 5049723840, 6732965120, 10099447680, 20198895360]

約数ペア:

[(1, 20198895360), (2, 10099447680), (3, 6732965120), (4, 5049723840), (5, 4039779072), (6, 3366482560), (7, 2885556480), (8, 2524861920), (10, 2019889536), (12, 1683241280), (14, 1442778240), (15, 1346593024), (16, 1262430960), (20, 1009944768), (21, 961852160), (24, 841620640), (28, 721389120), (30, 673296512), (32, 631215480), (35, 577111296), (40, 504972384), (42, 480926080), (48, 420810320), (56, 360694560), (60, 336648256), (64, 315607740), (70, 288555648), (80, 252486192), (84, 240463040), (96, 210405160), (105, 192370432), (112, 180347280), (120, 168324128), (128, 157803870), (140, 144277824), (160, 126243096), (168, 120231520), (192, 105202580), (210, 96185216), (224, 90173640), (240, 84162064), (256, 78901935), (280, 72138912), (320, 63121548), (336, 60115760), (384, 52601290), (420, 48092608), (448, 45086820), (480, 42081032), (560, 36069456), (640, 31560774), (672, 30057880), (768, 26300645), (840, 24046304), (896, 22543410), (960, 21040516), (1120, 18034728), (1280, 15780387), (1344, 15028940), (1680, 12023152), (1792, 11271705), (1920, 10520258), (2240, 9017364), (2688, 7514470), (3360, 6011576), (3840, 5260129), (4480, 4508682), (5376, 3757235), (6720, 3005788), (8960, 2254341), (13440, 1502894), (26880, 751447)]