20147996589

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1\times {\mathrm{17657}}^1$

素因数の和:18545

約数の個数: 32

約数和(自身を含む): 31200132096

約数和(自身を除く): 11052135507

約数列:

[1, 3, 7, 21, 67, 201, 469, 811, 1407, 2433, 5677, 17031, 17657, 52971, 54337, 123599, 163011, 370797, 380359, 1141077, 1183019, 3549057, 8281133, 14319827, 24843399, 42959481, 100238789, 300716367, 959428409, 2878285227, 6715998863, 20147996589]

約数ペア:

[(1, 20147996589), (3, 6715998863), (7, 2878285227), (21, 959428409), (67, 300716367), (201, 100238789), (469, 42959481), (811, 24843399), (1407, 14319827), (2433, 8281133), (5677, 3549057), (17031, 1183019), (17657, 1141077), (52971, 380359), (54337, 370797), (123599, 163011)]