20439588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131023}}^1$

素因数の和:131043

約数の個数: 24

約数和(自身を含む): 51361408

約数和(自身を除く): 30921820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131023, 262046, 393069, 524092, 786138, 1572276, 1703299, 3406598, 5109897, 6813196, 10219794, 20439588]

約数ペア:

[(1, 20439588), (2, 10219794), (3, 6813196), (4, 5109897), (6, 3406598), (12, 1703299), (13, 1572276), (26, 786138), (39, 524092), (52, 393069), (78, 262046), (156, 131023)]