20195778819

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1\times {\mathrm{881}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 27506884608

約数和(自身を除く): 7311105789

約数列:

[1, 3, 71, 213, 281, 383, 843, 881, 1149, 2643, 19951, 27193, 59853, 62551, 81579, 107623, 187653, 247561, 322869, 337423, 742683, 1012269, 7641233, 17576831, 22923699, 23957033, 52730493, 71871099, 94815863, 284447589, 6731926273, 20195778819]

約数ペア:

[(1, 20195778819), (3, 6731926273), (71, 284447589), (213, 94815863), (281, 71871099), (383, 52730493), (843, 23957033), (881, 22923699), (1149, 17576831), (2643, 7641233), (19951, 1012269), (27193, 742683), (59853, 337423), (62551, 322869), (81579, 247561), (107623, 187653)]