20115201

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 27537408

約数和(自身を除く): 7422207

約数列:

[1, 3, 47, 141, 331, 431, 993, 1293, 15557, 20257, 46671, 60771, 142661, 427983, 6705067, 20115201]

約数ペア:

[(1, 20115201), (3, 6705067), (47, 427983), (141, 142661), (331, 60771), (431, 46671), (993, 20257), (1293, 15557)]