20616838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 34898688

約数和(自身を除く): 14281850

約数列:

[1, 2, 11, 22, 67, 71, 134, 142, 197, 394, 737, 781, 1474, 1562, 2167, 4334, 4757, 9514, 13199, 13987, 26398, 27974, 52327, 104654, 145189, 153857, 290378, 307714, 937129, 1874258, 10308419, 20616838]

約数ペア:

[(1, 20616838), (2, 10308419), (11, 1874258), (22, 937129), (67, 307714), (71, 290378), (134, 153857), (142, 145189), (197, 104654), (394, 52327), (737, 27974), (781, 26398), (1474, 13987), (1562, 13199), (2167, 9514), (4334, 4757)]