20937741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 31911936

約数和(自身を除く): 10974195

約数列:

[1, 3, 11, 31, 33, 93, 97, 211, 291, 341, 633, 1023, 1067, 2321, 3007, 3201, 6541, 6963, 9021, 19623, 20467, 33077, 61401, 71951, 99231, 215853, 225137, 634477, 675411, 1903431, 6979247, 20937741]

約数ペア:

[(1, 20937741), (3, 6979247), (11, 1903431), (31, 675411), (33, 634477), (93, 225137), (97, 215853), (211, 99231), (291, 71951), (341, 61401), (633, 33077), (1023, 20467), (1067, 19623), (2321, 9021), (3007, 6963), (3201, 6541)]