20177937720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2436949}}^1$

素因数の和:2436989

約数の個数: 96

約数和(自身を含む): 68429556000

約数和(自身を除く): 48251618280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 2436949, 4873898, 7310847, 9747796, 12184745, 14621694, 19495592, 21932541, 24369490, 29243388, 36554235, 43865082, 48738980, 56049827, 58486776, 73108470, 87730164, 97477960, 109662705, 112099654, 146216940, 168149481, 175460328, 219325410, 224199308, 280249135, 292433880, 336298962, 438650820, 448398616, 504448443, 560498270, 672597924, 840747405, 877301640, 1008896886, 1120996540, 1345195848, 1681494810, 2017793772, 2241993080, 2522242215, 3362989620, 4035587544, 5044484430, 6725979240, 10088968860, 20177937720]

約数ペア:

[(1, 20177937720), (2, 10088968860), (3, 6725979240), (4, 5044484430), (5, 4035587544), (6, 3362989620), (8, 2522242215), (9, 2241993080), (10, 2017793772), (12, 1681494810), (15, 1345195848), (18, 1120996540), (20, 1008896886), (23, 877301640), (24, 840747405), (30, 672597924), (36, 560498270), (40, 504448443), (45, 448398616), (46, 438650820), (60, 336298962), (69, 292433880), (72, 280249135), (90, 224199308), (92, 219325410), (115, 175460328), (120, 168149481), (138, 146216940), (180, 112099654), (184, 109662705), (207, 97477960), (230, 87730164), (276, 73108470), (345, 58486776), (360, 56049827), (414, 48738980), (460, 43865082), (552, 36554235), (690, 29243388), (828, 24369490), (920, 21932541), (1035, 19495592), (1380, 14621694), (1656, 12184745), (2070, 9747796), (2760, 7310847), (4140, 4873898), (8280, 2436949)]