20121808

素因数分解:

$2^4\times 7^1\times {\mathrm{179659}}^1$

素因数の和:179674

約数の個数: 20

約数和(自身を含む): 44555680

約数和(自身を除く): 24433872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179659, 359318, 718636, 1257613, 1437272, 2515226, 2874544, 5030452, 10060904, 20121808]

約数ペア:

[(1, 20121808), (2, 10060904), (4, 5030452), (7, 2874544), (8, 2515226), (14, 1437272), (16, 1257613), (28, 718636), (56, 359318), (112, 179659)]