20512586542

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{157057}}^1$

素因数の和:157576

約数の個数: 32

約数和(自身を含む): 37090817280

約数和(自身を除く): 16578230738

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 491, 982, 3437, 6874, 9329, 18658, 65303, 130606, 157057, 314114, 1099399, 2198798, 2984083, 5968166, 20888581, 41777162, 77114987, 154229974, 539804909, 1079609818, 1465184753, 2930369506, 10256293271, 20512586542]

約数ペア:

[(1, 20512586542), (2, 10256293271), (7, 2930369506), (14, 1465184753), (19, 1079609818), (38, 539804909), (133, 154229974), (266, 77114987), (491, 41777162), (982, 20888581), (3437, 5968166), (6874, 2984083), (9329, 2198798), (18658, 1099399), (65303, 314114), (130606, 157057)]