20523516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131561}}^1$

素因数の和:131581

約数の個数: 24

約数和(自身を含む): 51572304

約数和(自身を除く): 31048788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131561, 263122, 394683, 526244, 789366, 1578732, 1710293, 3420586, 5130879, 6841172, 10261758, 20523516]

約数ペア:

[(1, 20523516), (2, 10261758), (3, 6841172), (4, 5130879), (6, 3420586), (12, 1710293), (13, 1578732), (26, 789366), (39, 526244), (52, 394683), (78, 263122), (156, 131561)]