20531040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42773}}^1$

素因数の和:42791

約数の個数: 48

約数和(自身を含む): 64674288

約数和(自身を除く): 44143248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42773, 85546, 128319, 171092, 213865, 256638, 342184, 427730, 513276, 641595, 684368, 855460, 1026552, 1283190, 1368736, 1710920, 2053104, 2566380, 3421840, 4106208, 5132760, 6843680, 10265520, 20531040]

約数ペア:

[(1, 20531040), (2, 10265520), (3, 6843680), (4, 5132760), (5, 4106208), (6, 3421840), (8, 2566380), (10, 2053104), (12, 1710920), (15, 1368736), (16, 1283190), (20, 1026552), (24, 855460), (30, 684368), (32, 641595), (40, 513276), (48, 427730), (60, 342184), (80, 256638), (96, 213865), (120, 171092), (160, 128319), (240, 85546), (480, 42773)]