20953872

素因数分解:

$2^4\times 3^2\times {\mathrm{145513}}^1$

素因数の和:145527

約数の個数: 30

約数和(自身を含む): 58642142

約数和(自身を除く): 37688270

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145513, 291026, 436539, 582052, 873078, 1164104, 1309617, 1746156, 2328208, 2619234, 3492312, 5238468, 6984624, 10476936, 20953872]

約数ペア:

[(1, 20953872), (2, 10476936), (3, 6984624), (4, 5238468), (6, 3492312), (8, 2619234), (9, 2328208), (12, 1746156), (16, 1309617), (18, 1164104), (24, 873078), (36, 582052), (48, 436539), (72, 291026), (144, 145513)]