16820396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5147}}^1$

素因数の和:5213

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 14891284

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 5147, 10294, 20588, 97793, 195586, 221321, 391172, 442642, 885284, 4205099, 8410198, 16820396]

約数ペア:

[(1, 16820396), (2, 8410198), (4, 4205099), (19, 885284), (38, 442642), (43, 391172), (76, 221321), (86, 195586), (172, 97793), (817, 20588), (1634, 10294), (3268, 5147)]