20949120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3637}}^1$

素因数の和:3662

約数の個数: 96

約数和(自身を含む): 72359820

約数和(自身を除く): 51410700

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, 3637, 5760, 7274, 10911, 14548, 18185, 21822, 29096, 32733, 36370, 43644, 54555, 58192, 65466, 72740, 87288, 109110, 116384, 130932, 145480, 163665, 174576, 218220, 232768, 261864, 290960, 327330, 349152, 436440, 465536, 523728, 581920, 654660, 698304, 872880, 1047456, 1163840, 1309320, 1396608, 1745760, 2094912, 2327680, 2618640, 3491520, 4189824, 5237280, 6983040, 10474560, 20949120]

約数ペア:

[(1, 20949120), (2, 10474560), (3, 6983040), (4, 5237280), (5, 4189824), (6, 3491520), (8, 2618640), (9, 2327680), (10, 2094912), (12, 1745760), (15, 1396608), (16, 1309320), (18, 1163840), (20, 1047456), (24, 872880), (30, 698304), (32, 654660), (36, 581920), (40, 523728), (45, 465536), (48, 436440), (60, 349152), (64, 327330), (72, 290960), (80, 261864), (90, 232768), (96, 218220), (120, 174576), (128, 163665), (144, 145480), (160, 130932), (180, 116384), (192, 109110), (240, 87288), (288, 72740), (320, 65466), (360, 58192), (384, 54555), (480, 43644), (576, 36370), (640, 32733), (720, 29096), (960, 21822), (1152, 18185), (1440, 14548), (1920, 10911), (2880, 7274), (3637, 5760)]