20627450640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1245619}}^1$

素因数の和:1245661

約数の個数: 120

約数和(自身を含む): 72285819840

約数和(自身を除く): 51658369200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 1245619, 2491238, 3736857, 4982476, 6228095, 7473714, 9964952, 11210571, 12456190, 14947428, 18684285, 19929904, 22421142, 24912380, 28649237, 29894856, 37368570, 44842284, 49824760, 56052855, 57298474, 59789712, 74737140, 85947711, 89684568, 99649520, 112105710, 114596948, 143246185, 149474280, 171895422, 179369136, 224211420, 229193896, 257843133, 286492370, 298948560, 343790844, 429738555, 448422840, 458387792, 515686266, 572984740, 687581688, 859477110, 896845680, 1031372532, 1145969480, 1289215665, 1375163376, 1718954220, 2062745064, 2291938960, 2578431330, 3437908440, 4125490128, 5156862660, 6875816880, 10313725320, 20627450640]

約数ペア:

[(1, 20627450640), (2, 10313725320), (3, 6875816880), (4, 5156862660), (5, 4125490128), (6, 3437908440), (8, 2578431330), (9, 2291938960), (10, 2062745064), (12, 1718954220), (15, 1375163376), (16, 1289215665), (18, 1145969480), (20, 1031372532), (23, 896845680), (24, 859477110), (30, 687581688), (36, 572984740), (40, 515686266), (45, 458387792), (46, 448422840), (48, 429738555), (60, 343790844), (69, 298948560), (72, 286492370), (80, 257843133), (90, 229193896), (92, 224211420), (115, 179369136), (120, 171895422), (138, 149474280), (144, 143246185), (180, 114596948), (184, 112105710), (207, 99649520), (230, 89684568), (240, 85947711), (276, 74737140), (345, 59789712), (360, 57298474), (368, 56052855), (414, 49824760), (460, 44842284), (552, 37368570), (690, 29894856), (720, 28649237), (828, 24912380), (920, 22421142), (1035, 19929904), (1104, 18684285), (1380, 14947428), (1656, 12456190), (1840, 11210571), (2070, 9964952), (2760, 7473714), (3312, 6228095), (4140, 4982476), (5520, 3736857), (8280, 2491238), (16560, 1245619)]