20126320851

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1\times {\mathrm{25343}}^1$

素因数の和:28275

約数の個数: 32

約数和(自身を含む): 33040465920

約数和(自身を除く): 12914145069

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2909, 8727, 20363, 25343, 37817, 61089, 76029, 113451, 177401, 264719, 329459, 532203, 794157, 988377, 2306213, 6918639, 73722787, 221168361, 516059509, 958396231, 1548178527, 2875188693, 6708773617, 20126320851]

約数ペア:

[(1, 20126320851), (3, 6708773617), (7, 2875188693), (13, 1548178527), (21, 958396231), (39, 516059509), (91, 221168361), (273, 73722787), (2909, 6918639), (8727, 2306213), (20363, 988377), (25343, 794157), (37817, 532203), (61089, 329459), (76029, 264719), (113451, 177401)]