20299040

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{433}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 48231288

約数和(自身を除く): 27932248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 433, 586, 866, 1172, 1465, 1732, 2165, 2344, 2930, 3464, 4330, 4688, 5860, 6928, 8660, 9376, 11720, 13856, 17320, 23440, 34640, 46880, 69280, 126869, 253738, 507476, 634345, 1014952, 1268690, 2029904, 2537380, 4059808, 5074760, 10149520, 20299040]

約数ペア:

[(1, 20299040), (2, 10149520), (4, 5074760), (5, 4059808), (8, 2537380), (10, 2029904), (16, 1268690), (20, 1014952), (32, 634345), (40, 507476), (80, 253738), (160, 126869), (293, 69280), (433, 46880), (586, 34640), (866, 23440), (1172, 17320), (1465, 13856), (1732, 11720), (2165, 9376), (2344, 8660), (2930, 6928), (3464, 5860), (4330, 4688)]