202020105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31541}}^1$

素因数の和:31617

約数の個数: 32

約数和(自身を含む): 375475968

約数和(自身を除く): 173455863

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 31541, 94623, 157705, 220787, 473115, 662361, 1103935, 1924001, 3311805, 5772003, 9620005, 13468007, 28860015, 40404021, 67340035, 202020105]

約数ペア:

[(1, 202020105), (3, 67340035), (5, 40404021), (7, 28860015), (15, 13468007), (21, 9620005), (35, 5772003), (61, 3311805), (105, 1924001), (183, 1103935), (305, 662361), (427, 473115), (915, 220787), (1281, 157705), (2135, 94623), (6405, 31541)]