20591396

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8263}}^1$

素因数の和:8363

約数の個数: 24

約数和(自身を含む): 41650560

約数和(自身を除く): 21059164

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8263, 16526, 33052, 57841, 115682, 231364, 735407, 1470814, 2941628, 5147849, 10295698, 20591396]

約数ペア:

[(1, 20591396), (2, 10295698), (4, 5147849), (7, 2941628), (14, 1470814), (28, 735407), (89, 231364), (178, 115682), (356, 57841), (623, 33052), (1246, 16526), (2492, 8263)]