20827065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 17557575

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1427, 2085, 2919, 4281, 4865, 7135, 9989, 14595, 21405, 29967, 49945, 149835, 198353, 595059, 991765, 1388471, 2975295, 4165413, 6942355, 20827065]

約数ペア:

[(1, 20827065), (3, 6942355), (5, 4165413), (7, 2975295), (15, 1388471), (21, 991765), (35, 595059), (105, 198353), (139, 149835), (417, 49945), (695, 29967), (973, 21405), (1427, 14595), (2085, 9989), (2919, 7135), (4281, 4865)]