20121097863

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{23357}}^1$

素因数の和:23607

約数の個数: 32

約数和(自身を含む): 28343531520

約数和(自身を除く): 8222433657

約数列:

[1, 3, 31, 59, 93, 157, 177, 471, 1829, 4867, 5487, 9263, 14601, 23357, 27789, 70071, 287153, 724067, 861459, 1378063, 2172201, 3667049, 4134189, 11001147, 42719953, 113678519, 128159859, 216355891, 341035557, 649067673, 6707032621, 20121097863]

約数ペア:

[(1, 20121097863), (3, 6707032621), (31, 649067673), (59, 341035557), (93, 216355891), (157, 128159859), (177, 113678519), (471, 42719953), (1829, 11001147), (4867, 4134189), (5487, 3667049), (9263, 2172201), (14601, 1378063), (23357, 861459), (27789, 724067), (70071, 287153)]