20217490982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{276823}}^1$

素因数の和:276944

約数の個数: 24

約数和(自身を含む): 33286978704

約数和(自身を除く): 13069487722

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 2809, 5618, 36517, 73034, 276823, 553646, 3598699, 7197398, 14671619, 29343238, 190731047, 381462094, 777595807, 1555191614, 10108745491, 20217490982]

約数ペア:

[(1, 20217490982), (2, 10108745491), (13, 1555191614), (26, 777595807), (53, 381462094), (106, 190731047), (689, 29343238), (1378, 14671619), (2809, 7197398), (5618, 3598699), (36517, 553646), (73034, 276823)]