20185768480

素因数分解:

$2^5\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{51769}}^1$

素因数の和:54221

約数の個数: 48

約数和(自身を含む): 47709368280

約数和(自身を除く): 27523599800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2437, 4874, 9748, 12185, 19496, 24370, 38992, 48740, 51769, 77984, 97480, 103538, 194960, 207076, 258845, 389920, 414152, 517690, 828304, 1035380, 1656608, 2070760, 4141520, 8283040, 126161053, 252322106, 504644212, 630805265, 1009288424, 1261610530, 2018576848, 2523221060, 4037153696, 5046442120, 10092884240, 20185768480]

約数ペア:

[(1, 20185768480), (2, 10092884240), (4, 5046442120), (5, 4037153696), (8, 2523221060), (10, 2018576848), (16, 1261610530), (20, 1009288424), (32, 630805265), (40, 504644212), (80, 252322106), (160, 126161053), (2437, 8283040), (4874, 4141520), (9748, 2070760), (12185, 1656608), (19496, 1035380), (24370, 828304), (38992, 517690), (48740, 414152), (51769, 389920), (77984, 258845), (97480, 207076), (103538, 194960)]