20731657264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{100733}}^1$

素因数の和:101437

約数の個数: 40

約数和(自身を含む): 42344544240

約数和(自身を除く): 21612886976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 677, 1354, 2708, 5416, 10832, 12863, 25726, 51452, 100733, 102904, 201466, 205808, 402932, 805864, 1611728, 1913927, 3827854, 7655708, 15311416, 30622832, 68196241, 136392482, 272784964, 545569928, 1091139856, 1295728579, 2591457158, 5182914316, 10365828632, 20731657264]

約数ペア:

[(1, 20731657264), (2, 10365828632), (4, 5182914316), (8, 2591457158), (16, 1295728579), (19, 1091139856), (38, 545569928), (76, 272784964), (152, 136392482), (304, 68196241), (677, 30622832), (1354, 15311416), (2708, 7655708), (5416, 3827854), (10832, 1913927), (12863, 1611728), (25726, 805864), (51452, 402932), (100733, 205808), (102904, 201466)]