20747874

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70571}}^1$

素因数の和:70590

約数の個数: 24

約数和(自身を含む): 48271248

約数和(自身を除く): 27523374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70571, 141142, 211713, 423426, 493997, 987994, 1481991, 2963982, 3457979, 6915958, 10373937, 20747874]

約数ペア:

[(1, 20747874), (2, 10373937), (3, 6915958), (6, 3457979), (7, 2963982), (14, 1481991), (21, 987994), (42, 493997), (49, 423426), (98, 211713), (147, 141142), (294, 70571)]