20843734

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 34642080

約数和(自身を除く): 13798346

約数列:

[1, 2, 17, 34, 43, 53, 86, 106, 269, 538, 731, 901, 1462, 1802, 2279, 4558, 4573, 9146, 11567, 14257, 23134, 28514, 38743, 77486, 196639, 242369, 393278, 484738, 613051, 1226102, 10421867, 20843734]

約数ペア:

[(1, 20843734), (2, 10421867), (17, 1226102), (34, 613051), (43, 484738), (53, 393278), (86, 242369), (106, 196639), (269, 77486), (538, 38743), (731, 28514), (901, 23134), (1462, 14257), (1802, 11567), (2279, 9146), (4558, 4573)]