20715767040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5394731}}^1$

素因数の和:5394755

約数の個数: 72

約数和(自身を含む): 66160993248

約数和(自身を除く): 45445226208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5394731, 10789462, 16184193, 21578924, 26973655, 32368386, 43157848, 53947310, 64736772, 80920965, 86315696, 107894620, 129473544, 161841930, 172631392, 215789240, 258947088, 323683860, 345262784, 431578480, 517894176, 647367720, 690525568, 863156960, 1035788352, 1294735440, 1381051136, 1726313920, 2071576704, 2589470880, 3452627840, 4143153408, 5178941760, 6905255680, 10357883520, 20715767040]

約数ペア:

[(1, 20715767040), (2, 10357883520), (3, 6905255680), (4, 5178941760), (5, 4143153408), (6, 3452627840), (8, 2589470880), (10, 2071576704), (12, 1726313920), (15, 1381051136), (16, 1294735440), (20, 1035788352), (24, 863156960), (30, 690525568), (32, 647367720), (40, 517894176), (48, 431578480), (60, 345262784), (64, 323683860), (80, 258947088), (96, 215789240), (120, 172631392), (128, 161841930), (160, 129473544), (192, 107894620), (240, 86315696), (256, 80920965), (320, 64736772), (384, 53947310), (480, 43157848), (640, 32368386), (768, 26973655), (960, 21578924), (1280, 16184193), (1920, 10789462), (3840, 5394731)]