20641451432

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11890237}}^1$

素因数の和:11890281

約数の個数: 32

約数和(自身を含む): 45658513920

約数和(自身を除く): 25017062488

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11890237, 23780474, 47560948, 83231659, 95121896, 166463318, 332926636, 368597347, 665853272, 737194694, 1474389388, 2580181429, 2948778776, 5160362858, 10320725716, 20641451432]

約数ペア:

[(1, 20641451432), (2, 10320725716), (4, 5160362858), (7, 2948778776), (8, 2580181429), (14, 1474389388), (28, 737194694), (31, 665853272), (56, 368597347), (62, 332926636), (124, 166463318), (217, 95121896), (248, 83231659), (434, 47560948), (868, 23780474), (1736, 11890237)]