20387528

素因数分解:

$2^3\times 7^2\times {\mathrm{52009}}^1$

素因数の和:52029

約数の個数: 24

約数和(自身を含む): 44468550

約数和(自身を除く): 24081022

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52009, 104018, 208036, 364063, 416072, 728126, 1456252, 2548441, 2912504, 5096882, 10193764, 20387528]

約数ペア:

[(1, 20387528), (2, 10193764), (4, 5096882), (7, 2912504), (8, 2548441), (14, 1456252), (28, 728126), (49, 416072), (56, 364063), (98, 208036), (196, 104018), (392, 52009)]