20080151

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 26046720

約数和(自身を除く): 5966569

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1087, 1421, 2639, 7609, 14131, 18473, 31523, 53263, 98917, 220661, 409799, 692419, 1544627, 2868593, 20080151]

約数ペア:

[(1, 20080151), (7, 2868593), (13, 1544627), (29, 692419), (49, 409799), (91, 220661), (203, 98917), (377, 53263), (637, 31523), (1087, 18473), (1421, 14131), (2639, 7609)]