20631047040

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3581779}}^1$

素因数の和:3581804

約数の個数: 96

約数和(自身を含む): 71241604200

約数和(自身を除く): 50610557160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 3581779, 7163558, 10745337, 14327116, 17908895, 21490674, 28654232, 32236011, 35817790, 42981348, 53726685, 57308464, 64472022, 71635580, 85962696, 107453370, 114616928, 128944044, 143271160, 161180055, 171925392, 214906740, 229233856, 257888088, 286542320, 322360110, 343850784, 429813480, 458467712, 515776176, 573084640, 644720220, 687701568, 859626960, 1031552352, 1146169280, 1289440440, 1375403136, 1719253920, 2063104704, 2292338560, 2578880880, 3438507840, 4126209408, 5157761760, 6877015680, 10315523520, 20631047040]

約数ペア:

[(1, 20631047040), (2, 10315523520), (3, 6877015680), (4, 5157761760), (5, 4126209408), (6, 3438507840), (8, 2578880880), (9, 2292338560), (10, 2063104704), (12, 1719253920), (15, 1375403136), (16, 1289440440), (18, 1146169280), (20, 1031552352), (24, 859626960), (30, 687701568), (32, 644720220), (36, 573084640), (40, 515776176), (45, 458467712), (48, 429813480), (60, 343850784), (64, 322360110), (72, 286542320), (80, 257888088), (90, 229233856), (96, 214906740), (120, 171925392), (128, 161180055), (144, 143271160), (160, 128944044), (180, 114616928), (192, 107453370), (240, 85962696), (288, 71635580), (320, 64472022), (360, 57308464), (384, 53726685), (480, 42981348), (576, 35817790), (640, 32236011), (720, 28654232), (960, 21490674), (1152, 17908895), (1440, 14327116), (1920, 10745337), (2880, 7163558), (5760, 3581779)]