20113282903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{47303}}^1$

素因数の和:47491

約数の個数: 32

約数和(自身を含む): 25430630400

約数和(自身を除く): 5317347497

約数列:

[1, 7, 19, 23, 133, 139, 161, 437, 973, 2641, 3059, 3197, 18487, 22379, 47303, 60743, 331121, 425201, 898757, 1087969, 6291299, 6575117, 7615783, 20671411, 46025819, 124927223, 144699877, 151227691, 874490561, 1058593837, 2873326129, 20113282903]

約数ペア:

[(1, 20113282903), (7, 2873326129), (19, 1058593837), (23, 874490561), (133, 151227691), (139, 144699877), (161, 124927223), (437, 46025819), (973, 20671411), (2641, 7615783), (3059, 6575117), (3197, 6291299), (18487, 1087969), (22379, 898757), (47303, 425201), (60743, 331121)]