20194990648

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5079223}}^1$

素因数の和:5079307

約数の個数: 32

約数和(自身を含む): 43884495360

約数和(自身を除く): 23689504712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5079223, 10158446, 20316892, 35554561, 40633784, 71109122, 142218244, 284436488, 360624833, 721249666, 1442499332, 2524373831, 2884998664, 5048747662, 10097495324, 20194990648]

約数ペア:

[(1, 20194990648), (2, 10097495324), (4, 5048747662), (7, 2884998664), (8, 2524373831), (14, 1442499332), (28, 721249666), (56, 360624833), (71, 284436488), (142, 142218244), (284, 71109122), (497, 40633784), (568, 35554561), (994, 20316892), (1988, 10158446), (3976, 5079223)]