20833920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3617}}^1$

素因数の和:3642

約数の個数: 96

約数和(自身を含む): 71962020

約数和(自身を除く): 51128100

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, 3617, 5760, 7234, 10851, 14468, 18085, 21702, 28936, 32553, 36170, 43404, 54255, 57872, 65106, 72340, 86808, 108510, 115744, 130212, 144680, 162765, 173616, 217020, 231488, 260424, 289360, 325530, 347232, 434040, 462976, 520848, 578720, 651060, 694464, 868080, 1041696, 1157440, 1302120, 1388928, 1736160, 2083392, 2314880, 2604240, 3472320, 4166784, 5208480, 6944640, 10416960, 20833920]

約数ペア:

[(1, 20833920), (2, 10416960), (3, 6944640), (4, 5208480), (5, 4166784), (6, 3472320), (8, 2604240), (9, 2314880), (10, 2083392), (12, 1736160), (15, 1388928), (16, 1302120), (18, 1157440), (20, 1041696), (24, 868080), (30, 694464), (32, 651060), (36, 578720), (40, 520848), (45, 462976), (48, 434040), (60, 347232), (64, 325530), (72, 289360), (80, 260424), (90, 231488), (96, 217020), (120, 173616), (128, 162765), (144, 144680), (160, 130212), (180, 115744), (192, 108510), (240, 86808), (288, 72340), (320, 65106), (360, 57872), (384, 54255), (480, 43404), (576, 36170), (640, 32553), (720, 28936), (960, 21702), (1152, 18085), (1440, 14468), (1920, 10851), (2880, 7234), (3617, 5760)]