20475156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131251}}^1$

素因数の和:131271

約数の個数: 24

約数和(自身を含む): 51450784

約数和(自身を除く): 30975628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131251, 262502, 393753, 525004, 787506, 1575012, 1706263, 3412526, 5118789, 6825052, 10237578, 20475156]

約数ペア:

[(1, 20475156), (2, 10237578), (3, 6825052), (4, 5118789), (6, 3412526), (12, 1706263), (13, 1575012), (26, 787506), (39, 525004), (52, 393753), (78, 262502), (156, 131251)]