20193656

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19011

約数の個数: 32

約数和(自身を含む): 45552000

約数和(自身を除く): 25358344

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18979, 37958, 75916, 132853, 151832, 265706, 360601, 531412, 721202, 1062824, 1442404, 2524207, 2884808, 5048414, 10096828, 20193656]

約数ペア:

[(1, 20193656), (2, 10096828), (4, 5048414), (7, 2884808), (8, 2524207), (14, 1442404), (19, 1062824), (28, 721202), (38, 531412), (56, 360601), (76, 265706), (133, 151832), (152, 132853), (266, 75916), (532, 37958), (1064, 18979)]