20386065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6263}}^1$

素因数の和:6309

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 18099951

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6263, 18789, 31315, 43841, 93945, 131523, 194153, 219205, 582459, 657615, 970765, 1359071, 2912295, 4077213, 6795355, 20386065]

約数ペア:

[(1, 20386065), (3, 6795355), (5, 4077213), (7, 2912295), (15, 1359071), (21, 970765), (31, 657615), (35, 582459), (93, 219205), (105, 194153), (155, 131523), (217, 93945), (465, 43841), (651, 31315), (1085, 18789), (3255, 6263)]