201021620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{346589}}^1$

素因数の和:346627

約数の個数: 24

約数和(自身を含む): 436703400

約数和(自身を除く): 235681780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 346589, 693178, 1386356, 1732945, 3465890, 6931780, 10051081, 20102162, 40204324, 50255405, 100510810, 201021620]

約数ペア:

[(1, 201021620), (2, 100510810), (4, 50255405), (5, 40204324), (10, 20102162), (20, 10051081), (29, 6931780), (58, 3465890), (116, 1732945), (145, 1386356), (290, 693178), (580, 346589)]