20778442

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{5347}}^1$

素因数の和:5445

約数の個数: 16

約数和(自身を含む): 32729760

約数和(自身を除く): 11951318

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 5347, 10694, 155063, 310126, 358249, 716498, 10389221, 20778442]

約数ペア:

[(1, 20778442), (2, 10389221), (29, 716498), (58, 358249), (67, 310126), (134, 155063), (1943, 10694), (3886, 5347)]