20818374

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{51787}}^1$

素因数の和:51859

約数の個数: 16

約数和(自身を含む): 42259008

約数和(自身を除く): 21440634

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 51787, 103574, 155361, 310722, 3469729, 6939458, 10409187, 20818374]

約数ペア:

[(1, 20818374), (2, 10409187), (3, 6939458), (6, 3469729), (67, 310722), (134, 155361), (201, 103574), (402, 51787)]